CVE-2025-37997

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The latter was incorrect which can lead to a\nrace condition between the garbage collector and adding new elements\nwhen a hash type of set is defined with timeouts."}], "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 - The vulnerable add/del and GC paths are driven through the ipset nfnetlink/sockopt control plane, which requires a local socket (netfilter control plane = Local per kernel scoring convention). Remote packets can drive `mtype_add()` via the `xt_set` SET target, but only when the administrator has configured such a rule, so the base score uses the self-contained local path.\nAC:L - The attacker provisions both sides of the race: they choose `hashsize >= 2048` (which is what breaks the modulo-vs-division region mapping) and a short `timeout` that pins the GC period to the `HZ/10` floor, then churn add/del indefinitely with roughly half of all operations taking the wrong region lock. No condition depends on attacker-uncontrollable state, and failed attempts are freely retriable.\nPR:L - Access is gated on `netlink_net_capable(skb, CAP_NET_ADMIN)` and `ns_capable(net->user_ns, CAP_NET_ADMIN)`, both evaluated against the network namespace's user namespace, so an unprivileged user obtains it with `unshare -Urn`; ipset state is fully per-netns, so the whole attack works inside the sandbox.\nUI:N - The attacker creates the set, generates the element churn, and the garbage collector fires automatically from a delayed work item. No victim action is involved at any point.\nS:U - The corruption is confined to the kernel heap and is exploited for privilege escalation within the same kernel security authority; no VM, IOMMU, or hypervisor boundary is crossed.\nC:H - The unserialized GC/add race yields use-after-free of hbucket objects and of extension data freed by `ip_set_ext_destroy()`, and stale resurrected buckets let freed slab contents be read back to userspace via `ipset list`, giving an arbitrary-read primitive.\nI:H - GC's shrink path can copy more used entries than `tmp->size` accounts for when a concurrent `mtype_add()` bumps `n->pos` under a different lock, producing a heap out-of-bounds write of attacker-controlled element bytes; the double `kfree_rcu()` on the same hbucket additionally corrupts the SLUB freelist, both of which are standard arbitrary-write/control-flow-hijack primitives.\nA:H - Enqueuing the same `rcu_head` twice corrupts the RCU callback list (cycle \u2192 hang in `rcu_do_batch`), and the double free plus out-of-bounds writes reliably produce slab corruption, oops, and panic."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/ipset/ip_set_hash_gen.h"], "versions": [{"version": "5dd9488ae41070b69d2f4acb580f77db5705f9ca", "lessThan": "00cfc5fad1491796942a948808afb968a0a3f35b", "status": "affected", "versionType": "git"}, {"version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "226ce0ec38316d9e3739e73a64b6b8304646c658", "status": "affected", "versionType": "git"}, {"version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "82c1eb32693bc48251d92532975e19160987e5b9", "status": "affected", "versionType": "git"}, {"version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "aa77294b0f73bb8265987591460cd25b8722c3df", "status": "affected", "versionType": "git"}, {"version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "a3dfec485401943e315c394c29afe2db8f9481d6", "status": "affected", "versionType": "git"}, {"version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "e2ab67672b2288521a6146034a971f9a82ffc5c5", "status": "affected", "versionType": "git"}, {"version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "6e002ecc1c8cfdfc866b9104ab7888da54613e59", "status": "affected", "versionType": "git"}, {"version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "8478a729c0462273188263136880480729e9efca", "status": "affected", "versionType": "git"}, {"version": "a469bab3386aebff33c59506f3a95e35b91118fd", "status": "affected", "versionType": "git"}, {"version": "5.4.24", "lessThan": "5.4.294", "status": "affected", "versionType": "semver"}, {"version": "5.5.8", "lessThan": "5.6", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/ipset/ip_set_hash_gen.h"], "versions": [{"version": "5.6", "status": "affected"}, {"version": "0", "lessThan": "5.6", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.294", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.238", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.183", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.139", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.91", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.29", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.7", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "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": "5.4.24", "versionEndExcluding": "5.4.294"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "5.10.238"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "5.15.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.1.139"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.6.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.12.29"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.14.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/00cfc5fad1491796942a948808afb968a0a3f35b"}, {"url": "https://git.kernel.org/stable/c/226ce0ec38316d9e3739e73a64b6b8304646c658"}, {"url": "https://git.kernel.org/stable/c/82c1eb32693bc48251d92532975e19160987e5b9"}, {"url": "https://git.kernel.org/stable/c/aa77294b0f73bb8265987591460cd25b8722c3df"}, {"url": "https://git.kernel.org/stable/c/a3dfec485401943e315c394c29afe2db8f9481d6"}, {"url": "https://git.kernel.org/stable/c/e2ab67672b2288521a6146034a971f9a82ffc5c5"}, {"url": "https://git.kernel.org/stable/c/6e002ecc1c8cfdfc866b9104ab7888da54613e59"}, {"url": "https://git.kernel.org/stable/c/8478a729c0462273188263136880480729e9efca"}], "title": "netfilter: ipset: fix region locking in hash types", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:58:10.817Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-37997", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:46:37.316861Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:52:05.816Z"}}]}}

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Remote packets can drive `mtype_add()` via the `xt_set` SET target, but only when the administrator has configured such a rule, so the base score uses the self-contained local path.\nAC:L - The attacker provisions both sides of the race: they choose `hashsize >= 2048` (which is what breaks the modulo-vs-division region mapping) and a short `timeout` that pins the GC period to the `HZ/10` floor, then churn add/del indefinitely with roughly half of all operations taking the wrong region lock. No condition depends on attacker-uncontrollable state, and failed attempts are freely retriable.\nPR:L - Access is gated on `netlink_net_capable(skb, CAP_NET_ADMIN)` and `ns_capable(net->user_ns, CAP_NET_ADMIN)`, both evaluated against the network namespace's user namespace, so an unprivileged user obtains it with `unshare -Urn`; ipset state is fully per-netns, so the whole attack works inside the sandbox.\nUI:N - The attacker creates the set, generates the element churn, and the garbage collector fires automatically from a delayed work item. No victim action is involved at any point.\nS:U - The corruption is confined to the kernel heap and is exploited for privilege escalation within the same kernel security authority; no VM, IOMMU, or hypervisor boundary is crossed.\nC:H - The unserialized GC/add race yields use-after-free of hbucket objects and of extension data freed by `ip_set_ext_destroy()`, and stale resurrected buckets let freed slab contents be read back to userspace via `ipset list`, giving an arbitrary-read primitive.\nI:H - GC's shrink path can copy more used entries than `tmp->size` accounts for when a concurrent `mtype_add()` bumps `n->pos` under a different lock, producing a heap out-of-bounds write of attacker-controlled element bytes; the double `kfree_rcu()` on the same hbucket additionally corrupts the SLUB freelist, both of which are standard arbitrary-write/control-flow-hijack primitives.\nA:H - Enqueuing the same `rcu_head` twice corrupts the RCU callback list (cycle \u2192 hang in `rcu_do_batch`), and the double free plus out-of-bounds writes reliably produce slab corruption, oops, and panic."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5dd9488ae41070b69d2f4acb580f77db5705f9ca", "lessThan": "00cfc5fad1491796942a948808afb968a0a3f35b", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "226ce0ec38316d9e3739e73a64b6b8304646c658", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "82c1eb32693bc48251d92532975e19160987e5b9", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "aa77294b0f73bb8265987591460cd25b8722c3df", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "a3dfec485401943e315c394c29afe2db8f9481d6", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "e2ab67672b2288521a6146034a971f9a82ffc5c5", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "6e002ecc1c8cfdfc866b9104ab7888da54613e59", "versionType": "git"}, {"status": "affected", "version": "f66ee0410b1c3481ee75e5db9b34547b4d582465", "lessThan": "8478a729c0462273188263136880480729e9efca", "versionType": "git"}, {"status": "affected", "version": "a469bab3386aebff33c59506f3a95e35b91118fd", "versionType": "git"}, {"status": "affected", "version": "5.4.24", "lessThan": "5.4.294", "versionType": "semver"}, {"status": "affected", "version": "5.5.8", "lessThan": "5.6", "versionType": "semver"}], "programFiles": ["net/netfilter/ipset/ip_set_hash_gen.h"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.6"}, {"status": "unaffected", "version": "0", "lessThan": "5.6", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.294", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.238", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.183", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.139", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.91", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.29", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.14.7", "versionType": "semver", "lessThanOrEqual": "6.14.*"}, {"status": "unaffected", "version": "6.15", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/netfilter/ipset/ip_set_hash_gen.h"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/00cfc5fad1491796942a948808afb968a0a3f35b"}, {"url": "https://git.kernel.org/stable/c/226ce0ec38316d9e3739e73a64b6b8304646c658"}, {"url": "https://git.kernel.org/stable/c/82c1eb32693bc48251d92532975e19160987e5b9"}, {"url": "https://git.kernel.org/stable/c/aa77294b0f73bb8265987591460cd25b8722c3df"}, {"url": "https://git.kernel.org/stable/c/a3dfec485401943e315c394c29afe2db8f9481d6"}, {"url": "https://git.kernel.org/stable/c/e2ab67672b2288521a6146034a971f9a82ffc5c5"}, {"url": "https://git.kernel.org/stable/c/6e002ecc1c8cfdfc866b9104ab7888da54613e59"}, {"url": "https://git.kernel.org/stable/c/8478a729c0462273188263136880480729e9efca"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: fix region locking in hash types\n\nRegion locking introduced in v5.6-rc4 contained three macros to handle\nthe region locks: ahash_bucket_start(), ahash_bucket_end() which gave\nback the start and end hash bucket values belonging to a given region\nlock and ahash_region() which should give back the region lock belonging\nto a given hash bucket. The latter was incorrect which can lead to a\nrace condition between the garbage collector and adding new elements\nwhen a hash type of set is defined with timeouts."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.294", "versionStartIncluding": "5.4.24"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.238", "versionStartIncluding": "5.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.183", "versionStartIncluding": "5.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.139", "versionStartIncluding": "5.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.91", "versionStartIncluding": "5.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.29", "versionStartIncluding": "5.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.14.7", "versionStartIncluding": "5.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.15", "versionStartIncluding": "5.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "5.5.8"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:58:49.210Z"}}}, "cveMetadata": {"cveId": "CVE-2025-37997", "state": "PUBLISHED", "dateUpdated": "2026-10-15T21:52:05.816Z", "dateReserved": "2025-04-16T04:51:23.976Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-05-29T13:15:55.580Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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region lock belonging\nto a given hash bucket. The latter was incorrect which can lead to a\nrace condition between the garbage collector and adding new elements\nwhen a hash type of set is defined with timeouts."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: ipset: correcci\u00f3n del bloqueo de regi\u00f3n en tipos hash. El bloqueo de regi\u00f3n introducido en la versi\u00f3n v5.6-rc4 conten\u00eda tres macros para gestionar los bloqueos de regi\u00f3n: ahash_bucket_start(), ahash_bucket_end(), que devolv\u00eda los valores de inicio y fin del dep\u00f3sito hash correspondientes a un bloqueo de regi\u00f3n determinado, y ahash_region(), que deber\u00eda devolver el bloqueo de regi\u00f3n correspondiente a un dep\u00f3sito hash determinado. Esta \u00faltima era incorrecta, lo que puede generar una condici\u00f3n de ejecuci\u00f3n entre el recolector de elementos no utilizados y la adici\u00f3n de nuevos elementos cuando se define un tipo hash de conjunto con tiempos de espera."}], "id": "CVE-2025-37997", "lastModified": "2026-10-15T22:18:23.573", "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": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-37997", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T21:46:37.316861Z", "version": "2.0.3"}}]}, "published": "2025-05-29T14:15:36.317", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/00cfc5fad1491796942a948808afb968a0a3f35b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/226ce0ec38316d9e3739e73a64b6b8304646c658"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e002ecc1c8cfdfc866b9104ab7888da54613e59"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/82c1eb32693bc48251d92532975e19160987e5b9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8478a729c0462273188263136880480729e9efca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a3dfec485401943e315c394c29afe2db8f9481d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aa77294b0f73bb8265987591460cd25b8722c3df"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e2ab67672b2288521a6146034a971f9a82ffc5c5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: netfilter: ipset: fix region locking in hash types", "id": "2369190", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369190"}, "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:\nnetfilter: ipset: fix region locking in hash types\nRegion locking introduced in v5.6-rc4 contained three macros to handle\nthe region locks: ahash_bucket_start(), ahash_bucket_end() which gave\nback the start and end hash bucket values belonging to a given region\nlock and ahash_region() which should give back the region lock belonging\nto a given hash bucket. The latter was incorrect which can lead to a\nrace condition between the garbage collector and adding new elements\nwhen a hash type of set is defined with timeouts."], "name": "CVE-2025-37997", "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": "Under investigation", "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": "2025-05-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37997\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37997\nhttps://lore.kernel.org/linux-cve-announce/2025052902-CVE-2025-37997-2c6c@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-06-24T09:44:22.592785+00:00", "updated": "2025-06-24T09:44:22.592832+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}