CVE-2025-38129

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38129", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.987Z", "datePublished": "2025-07-03T08:35:33.728Z", "dateUpdated": "2026-08-05T11:59:48.021Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:59:48.021Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npage_pool: Fix use-after-free in page_pool_recycle_in_ring\n\nsyzbot reported a uaf in page_pool_recycle_in_ring:\n\nBUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\nRead of size 8 at addr ffff8880286045a0 by task syz.0.284/6943\n\nCPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:489\n kasan_report+0x143/0x180 mm/kasan/report.c:602\n lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\n __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]\n _raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n ptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline]\n page_pool_recycle_in_ring net/core/page_pool.c:707 [inline]\n page_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826\n page_pool_put_netmem include/net/page_pool/helpers.h:323 [inline]\n page_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline]\n napi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036\n skb_pp_recycle net/core/skbuff.c:1047 [inline]\n skb_free_head net/core/skbuff.c:1094 [inline]\n skb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125\n skb_release_all net/core/skbuff.c:1190 [inline]\n __kfree_skb net/core/skbuff.c:1204 [inline]\n sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242\n kfree_skb_reason include/linux/skbuff.h:1263 [inline]\n __skb_queue_purge_reason include/linux/skbuff.h:3343 [inline]\n\nroot cause is:\n\npage_pool_recycle_in_ring\n ptr_ring_produce\n spin_lock(&r->producer_lock);\n WRITE_ONCE(r->queue[r->producer++], ptr)\n //recycle last page to pool\n\t\t\t\tpage_pool_release\n\t\t\t\t page_pool_scrub\n\t\t\t\t page_pool_empty_ring\n\t\t\t\t ptr_ring_consume\n\t\t\t\t page_pool_return_page //release all page\n\t\t\t\t __page_pool_destroy\n\t\t\t\t free_percpu(pool->recycle_stats);\n\t\t\t\t free(pool) //free\n\n spin_unlock(&r->producer_lock); //pool->ring uaf read\n recycle_stat_inc(pool, ring);\n\npage_pool can be free while page pool recycle the last page in ring.\nAdd producer-lock barrier to page_pool_release to prevent the page\npool from being free before all pages have been recycled.\n\nrecycle_stat_inc() is empty when CONFIG_PAGE_POOL_STATS is not\nenabled, which will trigger Wempty-body build warning. Add definition\nfor pool stat macro to fix warning."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - Triggering requires local operations \u2014 creating/tearing down a page_pool-backed netdev (veth NAPI/GRO toggle, XDP detach, `ip link set down`, channel/ring reconfiguration) while freeing socket-queued skbs via close/purge syscalls. A remote peer can supply the packets that populate the pool but cannot initiate `page_pool_destroy()`, so the attack vector is local.\nAC:L - The attacker controls both sides of the race: they create the page pool, park page_pool-backed skbs on their own socket receive queue, then concurrently destroy the pool and purge the queue from another thread. Per-attempt the window is short, but it is entirely attacker-created and repeatable indefinitely (the `page_pool_release_retry` worker re-opens it every DEFER_TIME), with no condition outside the attacker's influence.\nPR:L - The producer side (`skb_release_data` \u2192 `napi_pp_put_page` \u2192 `page_pool_recycle_in_ring`) needs no privileges at all \u2014 just an ordinary socket. The destroy side needs only CAP_NET_ADMIN inside a network namespace, which any unprivileged user obtains with `unshare -Urn` to create a veth pair and toggle its NAPI/XDP state; no real root in the init namespace is required.\nUI:N - The attacking process performs the pool teardown and the skb free itself from its own threads. No victim action or cooperating process is needed.\nS:U - The freed object and the corruption both live in the host kernel's own memory; no VM, hypervisor, or IOMMU boundary is crossed.\nC:H - This is a use-after-free on a `kzalloc_node()`-allocated `struct page_pool`, which an attacker can groom and replace with a controlled slab object; the stale `pool->recycle_stats` dereference then reads attacker-influenced kernel memory, and the lockdep `lock_release` path reads the freed `dep_map`, yielding a kernel-memory disclosure primitive.\nI:H - The racing producer writes into freed memory unconditionally \u2014 `r->queue[r->producer++]` stores a netmem pointer, `r->producer` is incremented, and `spin_unlock_bh()` performs a store-release to the freed lock word at a fixed offset in a reallocated object. With `CONFIG_PAGE_POOL_STATS`, `recycle_stat_inc(pool, ring)` additionally increments through a pointer read out of the reallocated object, giving a near-arbitrary write usable for control-flow hijack.\nA:H - The confirmed syzbot outcome is a KASAN slab-use-after-free splat (an oops, and a panic under `panic_on_warn`/`panic_on_oops`); unpoisoned, the stray writes corrupt the slab and the recycled page ends up double-owned, readily producing kernel panics and network-stack breakage."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/page_pool.c"], "versions": [{"version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "c2c906142293931e33ef4be79ebc36c25c4e21dd", "status": "affected", "versionType": "git"}, {"version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "d69f28ef7cdafdcf37ee310f38b1399e7d05f9a8", "status": "affected", "versionType": "git"}, {"version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "1a8c0b61d4cb55c5440583ec9e7f86a730369e32", "status": "affected", "versionType": "git"}, {"version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "4914c0a166540e534a0c1d43affd329d95fb56fd", "status": "affected", "versionType": "git"}, {"version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "e869a85acc2e60dc554579b910826a4919d8cd98", "status": "affected", "versionType": "git"}, {"version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "4ab8c0f8905c9c4d05e7f437e65a9a365573ff02", "status": "affected", "versionType": "git"}, {"version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "271683bb2cf32e5126c592b5d5e6a756fa374fd9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/page_pool.c"], "versions": [{"version": "4.18", "status": "affected"}, {"version": "0", "lessThan": "4.18", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.259", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.198", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.160", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.120", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.34", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.3", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.10.259"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.15.198"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.1.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.6.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.12.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.15.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c2c906142293931e33ef4be79ebc36c25c4e21dd"}, {"url": "https://git.kernel.org/stable/c/d69f28ef7cdafdcf37ee310f38b1399e7d05f9a8"}, {"url": "https://git.kernel.org/stable/c/1a8c0b61d4cb55c5440583ec9e7f86a730369e32"}, {"url": "https://git.kernel.org/stable/c/4914c0a166540e534a0c1d43affd329d95fb56fd"}, {"url": "https://git.kernel.org/stable/c/e869a85acc2e60dc554579b910826a4919d8cd98"}, {"url": "https://git.kernel.org/stable/c/4ab8c0f8905c9c4d05e7f437e65a9a365573ff02"}, {"url": "https://git.kernel.org/stable/c/271683bb2cf32e5126c592b5d5e6a756fa374fd9"}], "title": "page_pool: Fix use-after-free in page_pool_recycle_in_ring", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-38129", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-10T20:41:54.789942Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-11T18:44:17.490Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-38129", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-10T20:41:54.789942Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-11T17:38:51.673Z"}}], "cna": {"title": "page_pool: Fix use-after-free in page_pool_recycle_in_ring", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - Triggering requires local operations \u2014 creating/tearing down a page_pool-backed netdev (veth NAPI/GRO toggle, XDP detach, `ip link set down`, channel/ring reconfiguration) while freeing socket-queued skbs via close/purge syscalls. A remote peer can supply the packets that populate the pool but cannot initiate `page_pool_destroy()`, so the attack vector is local.\nAC:L - The attacker controls both sides of the race: they create the page pool, park page_pool-backed skbs on their own socket receive queue, then concurrently destroy the pool and purge the queue from another thread. Per-attempt the window is short, but it is entirely attacker-created and repeatable indefinitely (the `page_pool_release_retry` worker re-opens it every DEFER_TIME), with no condition outside the attacker's influence.\nPR:L - The producer side (`skb_release_data` \u2192 `napi_pp_put_page` \u2192 `page_pool_recycle_in_ring`) needs no privileges at all \u2014 just an ordinary socket. The destroy side needs only CAP_NET_ADMIN inside a network namespace, which any unprivileged user obtains with `unshare -Urn` to create a veth pair and toggle its NAPI/XDP state; no real root in the init namespace is required.\nUI:N - The attacking process performs the pool teardown and the skb free itself from its own threads. No victim action or cooperating process is needed.\nS:U - The freed object and the corruption both live in the host kernel's own memory; no VM, hypervisor, or IOMMU boundary is crossed.\nC:H - This is a use-after-free on a `kzalloc_node()`-allocated `struct page_pool`, which an attacker can groom and replace with a controlled slab object; the stale `pool->recycle_stats` dereference then reads attacker-influenced kernel memory, and the lockdep `lock_release` path reads the freed `dep_map`, yielding a kernel-memory disclosure primitive.\nI:H - The racing producer writes into freed memory unconditionally \u2014 `r->queue[r->producer++]` stores a netmem pointer, `r->producer` is incremented, and `spin_unlock_bh()` performs a store-release to the freed lock word at a fixed offset in a reallocated object. With `CONFIG_PAGE_POOL_STATS`, `recycle_stat_inc(pool, ring)` additionally increments through a pointer read out of the reallocated object, giving a near-arbitrary write usable for control-flow hijack.\nA:H - The confirmed syzbot outcome is a KASAN slab-use-after-free splat (an oops, and a panic under `panic_on_warn`/`panic_on_oops`); unpoisoned, the stray writes corrupt the slab and the recycled page ends up double-owned, readily producing kernel panics and network-stack breakage."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "c2c906142293931e33ef4be79ebc36c25c4e21dd", "versionType": "git"}, {"status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "d69f28ef7cdafdcf37ee310f38b1399e7d05f9a8", "versionType": "git"}, {"status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "1a8c0b61d4cb55c5440583ec9e7f86a730369e32", "versionType": "git"}, {"status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "4914c0a166540e534a0c1d43affd329d95fb56fd", "versionType": "git"}, {"status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "e869a85acc2e60dc554579b910826a4919d8cd98", "versionType": "git"}, {"status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "4ab8c0f8905c9c4d05e7f437e65a9a365573ff02", "versionType": "git"}, {"status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "lessThan": "271683bb2cf32e5126c592b5d5e6a756fa374fd9", "versionType": "git"}], "programFiles": ["net/core/page_pool.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.18"}, {"status": "unaffected", "version": "0", "lessThan": "4.18", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.259", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.198", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.160", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.120", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.34", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.15.3", "versionType": "semver", "lessThanOrEqual": "6.15.*"}, {"status": "unaffected", "version": "6.16", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/core/page_pool.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/c2c906142293931e33ef4be79ebc36c25c4e21dd"}, {"url": "https://git.kernel.org/stable/c/d69f28ef7cdafdcf37ee310f38b1399e7d05f9a8"}, {"url": "https://git.kernel.org/stable/c/1a8c0b61d4cb55c5440583ec9e7f86a730369e32"}, {"url": "https://git.kernel.org/stable/c/4914c0a166540e534a0c1d43affd329d95fb56fd"}, {"url": "https://git.kernel.org/stable/c/e869a85acc2e60dc554579b910826a4919d8cd98"}, {"url": "https://git.kernel.org/stable/c/4ab8c0f8905c9c4d05e7f437e65a9a365573ff02"}, {"url": "https://git.kernel.org/stable/c/271683bb2cf32e5126c592b5d5e6a756fa374fd9"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npage_pool: Fix use-after-free in page_pool_recycle_in_ring\n\nsyzbot reported a uaf in page_pool_recycle_in_ring:\n\nBUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\nRead of size 8 at addr ffff8880286045a0 by task syz.0.284/6943\n\nCPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:489\n kasan_report+0x143/0x180 mm/kasan/report.c:602\n lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\n __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]\n _raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n ptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline]\n page_pool_recycle_in_ring net/core/page_pool.c:707 [inline]\n page_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826\n page_pool_put_netmem include/net/page_pool/helpers.h:323 [inline]\n page_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline]\n napi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036\n skb_pp_recycle net/core/skbuff.c:1047 [inline]\n skb_free_head net/core/skbuff.c:1094 [inline]\n skb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125\n skb_release_all net/core/skbuff.c:1190 [inline]\n __kfree_skb net/core/skbuff.c:1204 [inline]\n sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242\n kfree_skb_reason include/linux/skbuff.h:1263 [inline]\n __skb_queue_purge_reason include/linux/skbuff.h:3343 [inline]\n\nroot cause is:\n\npage_pool_recycle_in_ring\n ptr_ring_produce\n spin_lock(&r->producer_lock);\n WRITE_ONCE(r->queue[r->producer++], ptr)\n //recycle last page to pool\n\t\t\t\tpage_pool_release\n\t\t\t\t page_pool_scrub\n\t\t\t\t page_pool_empty_ring\n\t\t\t\t ptr_ring_consume\n\t\t\t\t page_pool_return_page //release all page\n\t\t\t\t __page_pool_destroy\n\t\t\t\t free_percpu(pool->recycle_stats);\n\t\t\t\t free(pool) //free\n\n spin_unlock(&r->producer_lock); //pool->ring uaf read\n recycle_stat_inc(pool, ring);\n\npage_pool can be free while page pool recycle the last page in ring.\nAdd producer-lock barrier to page_pool_release to prevent the page\npool from being free before all pages have been recycled.\n\nrecycle_stat_inc() is empty when CONFIG_PAGE_POOL_STATS is not\nenabled, which will trigger Wempty-body build warning. Add definition\nfor pool stat macro to fix warning."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.259", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.198", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.160", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.120", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.34", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.15.3", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.16", "versionStartIncluding": "4.18"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:59:48.021Z"}}}, "cveMetadata": {"cveId": "CVE-2025-38129", "state": "PUBLISHED", "dateUpdated": "2026-08-05T11:59:48.021Z", "dateReserved": "2025-04-16T04:51:23.987Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-07-03T08:35:33.728Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/core/page_pool.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c2c906142293931e33ef4be79ebc36c25c4e21dd", "status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "versionType": "git"}, {"lessThan": "d69f28ef7cdafdcf37ee310f38b1399e7d05f9a8", "status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "versionType": "git"}, {"lessThan": "1a8c0b61d4cb55c5440583ec9e7f86a730369e32", "status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "versionType": "git"}, {"lessThan": "4914c0a166540e534a0c1d43affd329d95fb56fd", "status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "versionType": "git"}, {"lessThan": "e869a85acc2e60dc554579b910826a4919d8cd98", "status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "versionType": "git"}, {"lessThan": "4ab8c0f8905c9c4d05e7f437e65a9a365573ff02", "status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "versionType": "git"}, {"lessThan": "271683bb2cf32e5126c592b5d5e6a756fa374fd9", "status": "affected", "version": "ff7d6b27f894f1469dc51ccb828b7363ccd9799f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/core/page_pool.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.18"}, {"lessThan": "4.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.259", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.198", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.160", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.120", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.34", "versionType": "semver"}, {"lessThanOrEqual": "6.15.*", "status": "unaffected", "version": "6.15.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.16", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D52CF84C-B143-4A91-B892-0DE244D504A7", "versionEndExcluding": "6.12.34", "versionStartIncluding": "4.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0541C761-BD5E-4C1A-8432-83B375D7EB92", "versionEndExcluding": "6.15.3", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npage_pool: Fix use-after-free in page_pool_recycle_in_ring\n\nsyzbot reported a uaf in page_pool_recycle_in_ring:\n\nBUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\nRead of size 8 at addr ffff8880286045a0 by task syz.0.284/6943\n\nCPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:489\n kasan_report+0x143/0x180 mm/kasan/report.c:602\n lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\n __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]\n _raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n ptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline]\n page_pool_recycle_in_ring net/core/page_pool.c:707 [inline]\n page_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826\n page_pool_put_netmem include/net/page_pool/helpers.h:323 [inline]\n page_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline]\n napi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036\n skb_pp_recycle net/core/skbuff.c:1047 [inline]\n skb_free_head net/core/skbuff.c:1094 [inline]\n skb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125\n skb_release_all net/core/skbuff.c:1190 [inline]\n __kfree_skb net/core/skbuff.c:1204 [inline]\n sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242\n kfree_skb_reason include/linux/skbuff.h:1263 [inline]\n __skb_queue_purge_reason include/linux/skbuff.h:3343 [inline]\n\nroot cause is:\n\npage_pool_recycle_in_ring\n ptr_ring_produce\n spin_lock(&r->producer_lock);\n WRITE_ONCE(r->queue[r->producer++], ptr)\n //recycle last page to pool\n\t\t\t\tpage_pool_release\n\t\t\t\t page_pool_scrub\n\t\t\t\t page_pool_empty_ring\n\t\t\t\t ptr_ring_consume\n\t\t\t\t page_pool_return_page //release all page\n\t\t\t\t __page_pool_destroy\n\t\t\t\t free_percpu(pool->recycle_stats);\n\t\t\t\t free(pool) //free\n\n spin_unlock(&r->producer_lock); //pool->ring uaf read\n recycle_stat_inc(pool, ring);\n\npage_pool can be free while page pool recycle the last page in ring.\nAdd producer-lock barrier to page_pool_release to prevent the page\npool from being free before all pages have been recycled.\n\nrecycle_stat_inc() is empty when CONFIG_PAGE_POOL_STATS is not\nenabled, which will trigger Wempty-body build warning. Add definition\nfor pool stat macro to fix warning."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: page_pool: Fix use-after-free en page_pool_recycle_in_ring syzbot inform\u00f3 un uaf en page_pool_recycle_in_ring: BUG: KASAN: slab-use-after-free en lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff8880286045a0 por la tarea syz.0.284/6943 CPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 No contaminado 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 13/09/2024 Rastreo de llamadas: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline] _raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline] page_pool_recycle_in_ring net/core/page_pool.c:707 [inline] page_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826 page_pool_put_netmem include/net/page_pool/helpers.h:323 [inline] page_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline] napi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036 skb_pp_recycle net/core/skbuff.c:1047 [inline] skb_free_head net/core/skbuff.c:1094 [inline] skb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1263 [inline] __skb_queue_purge_reason include/linux/skbuff.h:3343 [inline] root cause is: page_pool_recycle_in_ring ptr_ring_produce spin_lock(&amp;r-&gt;producer_lock); WRITE_ONCE(r-&gt;queue[r-&gt;producer++], ptr) //recycle last page to pool page_pool_release page_pool_scrub page_pool_empty_ring ptr_ring_consume page_pool_return_page //release all page __page_pool_destroy free_percpu(pool-&gt;recycle_stats); free(pool) //free spin_unlock(&amp;r-&gt;producer_lock); //pool-&gt;ring uaf read recycle_stat_inc(pool, ring); page_pool puede estar libre mientras el grupo de p\u00e1ginas recicle la \u00faltima p\u00e1gina del anillo. Se ha a\u00f1adido una barrera de bloqueo del productor a page_pool_release para evitar que el grupo de p\u00e1ginas est\u00e9 libre antes de que se hayan reciclado todas las p\u00e1ginas. recycle_stat_inc() est\u00e1 vac\u00edo cuando CONFIG_PAGE_POOL_STATS no est\u00e1 habilitado, lo que activar\u00e1 la advertencia de compilaci\u00f3n Wempty-body. Se ha a\u00f1adido una definici\u00f3n para la macro de estad\u00edsticas del grupo para corregir la advertencia."}], "id": "CVE-2025-38129", "lastModified": "2026-07-30T06:22:53.267", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-38129", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-10T20:41:54.789942Z", "version": "2.0.3"}}]}, "published": "2025-07-03T09:15:27.170", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a8c0b61d4cb55c5440583ec9e7f86a730369e32"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/271683bb2cf32e5126c592b5d5e6a756fa374fd9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4914c0a166540e534a0c1d43affd329d95fb56fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4ab8c0f8905c9c4d05e7f437e65a9a365573ff02"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c2c906142293931e33ef4be79ebc36c25c4e21dd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d69f28ef7cdafdcf37ee310f38b1399e7d05f9a8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e869a85acc2e60dc554579b910826a4919d8cd98"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: page_pool: Fix use-after-free in page_pool_recycle_in_ring", "id": "2376034", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376034"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\npage_pool: Fix use-after-free in page_pool_recycle_in_ring\nsyzbot reported a uaf in page_pool_recycle_in_ring:\nBUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\nRead of size 8 at addr ffff8880286045a0 by task syz.0.284/6943\nCPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n<TASK>\n__dump_stack lib/dump_stack.c:94 [inline]\ndump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\nprint_address_description mm/kasan/report.c:378 [inline]\nprint_report+0x169/0x550 mm/kasan/report.c:489\nkasan_report+0x143/0x180 mm/kasan/report.c:602\nlock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\n__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]\n_raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210\nspin_unlock_bh include/linux/spinlock.h:396 [inline]\nptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline]\npage_pool_recycle_in_ring net/core/page_pool.c:707 [inline]\npage_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826\npage_pool_put_netmem include/net/page_pool/helpers.h:323 [inline]\npage_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline]\nnapi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036\nskb_pp_recycle net/core/skbuff.c:1047 [inline]\nskb_free_head net/core/skbuff.c:1094 [inline]\nskb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125\nskb_release_all net/core/skbuff.c:1190 [inline]\n__kfree_skb net/core/skbuff.c:1204 [inline]\nsk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242\nkfree_skb_reason include/linux/skbuff.h:1263 [inline]\n__skb_queue_purge_reason include/linux/skbuff.h:3343 [inline]\nroot cause is:\npage_pool_recycle_in_ring\nptr_ring_produce\nspin_lock(&r->producer_lock);\nWRITE_ONCE(r->queue[r->producer++], ptr)\n//recycle last page to pool\npage_pool_release\npage_pool_scrub\npage_pool_empty_ring\nptr_ring_consume\npage_pool_return_page //release all page\n__page_pool_destroy\nfree_percpu(pool->recycle_stats);\nfree(pool) //free\nspin_unlock(&r->producer_lock); //pool->ring uaf read\nrecycle_stat_inc(pool, ring);\npage_pool can be free while page pool recycle the last page in ring.\nAdd producer-lock barrier to page_pool_release to prevent the page\npool from being free before all pages have been recycled.\nrecycle_stat_inc() is empty when CONFIG_PAGE_POOL_STATS is not\nenabled, which will trigger Wempty-body build warning. Add definition\nfor pool stat macro to fix warning."], "name": "CVE-2025-38129", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38129\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38129\nhttps://lore.kernel.org/linux-cve-announce/2025070330-CVE-2025-38129-3c0e@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-06T22:16:21.428324+00:00", "updated": "2025-07-06T22:16:21.428379+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}