CVE-2025-38582

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38582", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.026Z", "datePublished": "2025-08-19T17:03:04.535Z", "dateUpdated": "2026-10-30T12:22:04.107Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:22:04.107Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix double destruction of rsv_qp\n\nrsv_qp may be double destroyed in error flow, first in free_mr_init(),\nand then in hns_roce_exit(). Fix it by moving the free_mr_init() call\ninto hns_roce_v2_init().\n\nlist_del corruption, ffff589732eb9b50->next is LIST_POISON1 (dead000000000100)\nWARNING: CPU: 8 PID: 1047115 at lib/list_debug.c:53 __list_del_entry_valid+0x148/0x240\n...\nCall trace:\n __list_del_entry_valid+0x148/0x240\n hns_roce_qp_remove+0x4c/0x3f0 [hns_roce_hw_v2]\n hns_roce_v2_destroy_qp_common+0x1dc/0x5f4 [hns_roce_hw_v2]\n hns_roce_v2_destroy_qp+0x22c/0x46c [hns_roce_hw_v2]\n free_mr_exit+0x6c/0x120 [hns_roce_hw_v2]\n hns_roce_v2_exit+0x170/0x200 [hns_roce_hw_v2]\n hns_roce_exit+0x118/0x350 [hns_roce_hw_v2]\n __hns_roce_hw_v2_init_instance+0x1c8/0x304 [hns_roce_hw_v2]\n hns_roce_hw_v2_reset_notify_init+0x170/0x21c [hns_roce_hw_v2]\n hns_roce_hw_v2_reset_notify+0x6c/0x190 [hns_roce_hw_v2]\n hclge_notify_roce_client+0x6c/0x160 [hclge]\n hclge_reset_rebuild+0x150/0x5c0 [hclge]\n hclge_reset+0x10c/0x140 [hclge]\n hclge_reset_subtask+0x80/0x104 [hclge]\n hclge_reset_service_task+0x168/0x3ac [hclge]\n hclge_service_task+0x50/0x100 [hclge]\n process_one_work+0x250/0x9a0\n worker_thread+0x324/0x990\n kthread+0x190/0x210\n ret_from_fork+0x10/0x18"}], "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 defect lives in the hns_roce HIP08 device init/re-init path (`__hns_roce_hw_v2_init_instance()` \u2192 `free_mr_init()`), reached via driver probe, module load, or the hns3 NIC reset-recovery notifier \u2014 never from remote packet data. Reaching or influencing it requires local access to the machine (RDMA uverbs devices, memory/resource pressure, or a locally initiated reset).\nAC:L - The double destruction fires whenever `free_mr_alloc_res()` fails partway through creating the 8 reserved QPs, since the `create_failed_qp` unwind kfree()s `free_mr->rsv_qp[i]` without NULLing the array slot, leaving dangling pointers that `hns_roce_v2_exit()` \u2192 `free_mr_exit()` destroys and frees a second time. A local attacker can influence exactly that partial-failure window by driving slab/QP/CQ/PD resource exhaustion so one of the eight allocations fails after earlier ones succeeded, and the init/reset sequence is repeatable, so the required conditions are not beyond the attacker's control.\nPR:L - No authentication beyond ordinary local access is needed to create the precondition \u2014 an unprivileged user holding the usual `/dev/infiniband/uverbs*` access in an RDMA deployment can exhaust QP/CQ/PD and memory resources to make the reserved-resource allocation fail mid-loop. The init/reset trigger itself is not gated by any capability check inside the vulnerable code path.\nUI:N - The faulty unwind executes automatically inside the driver's own error path during device initialization or NIC reset recovery. No victim has to open a file, mount anything, or take any other action.\nS:U - The corrupted objects (`struct hns_roce_qp`, its lists and the kernel slab) all belong to the kernel's own security authority. There is no crossing into a hypervisor, IOMMU, or other separate security scope.\nC:H - The second `hns_roce_v2_destroy_qp()` operates entirely on freed memory \u2014 it reads `hr_qp->ibqp.send_cq`/`recv_cq` and passes them to `to_hr_cq()`/`__hns_roce_v2_cq_clean()`, and uses `hr_qp->qpn` for `__xa_erase()`. If the reclaimed slab object is groomed by the attacker, those become fully controlled pointers, yielding an arbitrary kernel-memory read primitive.\nI:H - `hns_roce_qp_remove()` performs three `list_del()` unlinks on the freed object, each writing `prev->next = next; next->prev = prev` with pointers taken from reclaimed slab memory \u2014 a classic controlled-write primitive \u2014 and the object is then kfree()d a second time, corrupting the freelist. That combination is exploitable for control-flow hijack and privilege escalation.\nA:H - The reported failure is an immediate `list_del corruption ... LIST_POISON1` WARNING in `__list_del_entry_valid()` from `hns_roce_qp_remove()`, and the double kfree() corrupts the slab allocator. This reliably produces an oops/panic and leaves the RDMA device unusable."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/hns/hns_roce_hw_v2.c", "drivers/infiniband/hw/hns/hns_roce_main.c"], "versions": [{"version": "2ccf1c75d39949d8ea043d04a2e92d7100ea723d", "lessThan": "5a791715803304bf81ae2a3a278f606e36b82481", "status": "affected", "versionType": "git"}, {"version": "d2d9c5127122745da6e887f451dd248cfeffca33", "lessThan": "067ca15be8b8342931536b66206c496e76864ecf", "status": "affected", "versionType": "git"}, {"version": "fd8489294dd2beefb70f12ec4f6132aeec61a4d0", "lessThan": "dab173bae3303f074f063750a8dead2550d8c782", "status": "affected", "versionType": "git"}, {"version": "fd8489294dd2beefb70f12ec4f6132aeec61a4d0", "lessThan": "fc8b0f5b16bab2e032b4cfcd6218d5df3b80b2ea", "status": "affected", "versionType": "git"}, {"version": "fd8489294dd2beefb70f12ec4f6132aeec61a4d0", "lessThan": "10b083dbba22be19baa848432b6f25aa68ab2db5", "status": "affected", "versionType": "git"}, {"version": "fd8489294dd2beefb70f12ec4f6132aeec61a4d0", "lessThan": "c6957b95ecc5b63c5a4bb4ecc28af326cf8f6dc8", "status": "affected", "versionType": "git"}, {"version": "dac2723d8bfa9cf5333f477741e6e5fa1ed34645", "status": "affected", "versionType": "git"}, {"version": "60595923371c2ebe7faf82536c47eb0c967e3425", "status": "affected", "versionType": "git"}, {"version": "6.1.113", "lessThan": "6.1.191", "status": "affected", "versionType": "semver"}, {"version": "6.6.54", "lessThan": "6.6.160", "status": "affected", "versionType": "semver"}, {"version": "6.10.13", "lessThan": "6.11", "status": "affected", "versionType": "semver"}, {"version": "6.11.2", "lessThan": "6.12", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/hns/hns_roce_hw_v2.c", "drivers/infiniband/hw/hns/hns_roce_main.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.42", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.10", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.1", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "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": "6.1.113", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.54", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.12.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.15.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.16.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5a791715803304bf81ae2a3a278f606e36b82481"}, {"url": "https://git.kernel.org/stable/c/067ca15be8b8342931536b66206c496e76864ecf"}, {"url": "https://git.kernel.org/stable/c/dab173bae3303f074f063750a8dead2550d8c782"}, {"url": "https://git.kernel.org/stable/c/fc8b0f5b16bab2e032b4cfcd6218d5df3b80b2ea"}, {"url": "https://git.kernel.org/stable/c/10b083dbba22be19baa848432b6f25aa68ab2db5"}, {"url": "https://git.kernel.org/stable/c/c6957b95ecc5b63c5a4bb4ecc28af326cf8f6dc8"}], "title": "RDMA/hns: Fix double destruction of rsv_qp", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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Fix it by moving the free_mr_init() call\ninto hns_roce_v2_init().\n\nlist_del corruption, ffff589732eb9b50->next is LIST_POISON1 (dead000000000100)\nWARNING: CPU: 8 PID: 1047115 at lib/list_debug.c:53 __list_del_entry_valid+0x148/0x240\n...\nCall trace:\n __list_del_entry_valid+0x148/0x240\n hns_roce_qp_remove+0x4c/0x3f0 [hns_roce_hw_v2]\n hns_roce_v2_destroy_qp_common+0x1dc/0x5f4 [hns_roce_hw_v2]\n hns_roce_v2_destroy_qp+0x22c/0x46c [hns_roce_hw_v2]\n free_mr_exit+0x6c/0x120 [hns_roce_hw_v2]\n hns_roce_v2_exit+0x170/0x200 [hns_roce_hw_v2]\n hns_roce_exit+0x118/0x350 [hns_roce_hw_v2]\n __hns_roce_hw_v2_init_instance+0x1c8/0x304 [hns_roce_hw_v2]\n hns_roce_hw_v2_reset_notify_init+0x170/0x21c [hns_roce_hw_v2]\n hns_roce_hw_v2_reset_notify+0x6c/0x190 [hns_roce_hw_v2]\n hclge_notify_roce_client+0x6c/0x160 [hclge]\n hclge_reset_rebuild+0x150/0x5c0 [hclge]\n hclge_reset+0x10c/0x140 [hclge]\n hclge_reset_subtask+0x80/0x104 [hclge]\n hclge_reset_service_task+0x168/0x3ac [hclge]\n hclge_service_task+0x50/0x100 [hclge]\n process_one_work+0x250/0x9a0\n worker_thread+0x324/0x990\n kthread+0x190/0x210\n ret_from_fork+0x10/0x18"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/hns: Se corrige la doble destrucci\u00f3n de rsv_qp. rsv_qp puede sufrir una doble destrucci\u00f3n en el flujo de errores, primero en free_mr_init() y luego en hns_roce_exit(). Se corrige trasladando la llamada a free_mr_init() a hns_roce_v2_init(). Corrupci\u00f3n de list_del, ffff589732eb9b50->el siguiente es LIST_POISON1 (dead000000000100) ADVERTENCIA: CPU: 8 PID: 1047115 en lib/list_debug.c:53 __list_del_entry_valid+0x148/0x240 ... Rastreo de llamadas: __list_del_entry_valid+0x148/0x240 hns_roce_qp_remove+0x4c/0x3f0 [hns_roce_hw_v2] hns_roce_v2_destroy_qp_common+0x1dc/0x5f4 [hns_roce_hw_v2] hns_roce_v2_destroy_qp+0x22c/0x46c [hns_roce_hw_v2] free_mr_exit+0x6c/0x120 [hns_roce_hw_v2] hns_roce_v2_exit+0x170/0x200 [hns_roce_hw_v2] hns_roce_exit+0x118/0x350 [hns_roce_hw_v2] __hns_roce_hw_v2_init_instance+0x1c8/0x304 [hns_roce_hw_v2] hns_roce_hw_v2_reset_notify_init+0x170/0x21c [hns_roce_hw_v2] hns_roce_hw_v2_reset_notify+0x6c/0x190 [hns_roce_hw_v2] hclge_notify_roce_client+0x6c/0x160 [hclge] hclge_reset_rebuild+0x150/0x5c0 [hclge] hclge_reset+0x10c/0x140 [hclge] hclge_reset_subtask+0x80/0x104 [hclge] hclge_reset_service_task+0x168/0x3ac [hclge] hclge_service_task+0x50/0x100 [hclge] process_one_work+0x250/0x9a0 worker_thread+0x324/0x990 kthread+0x190/0x210 ret_from_fork+0x10/0x18 "}], "id": "CVE-2025-38582", "lastModified": "2026-10-30T13:18:06.000", "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"}]}, "published": "2025-08-19T17:15:35.430", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/067ca15be8b8342931536b66206c496e76864ecf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/10b083dbba22be19baa848432b6f25aa68ab2db5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5a791715803304bf81ae2a3a278f606e36b82481"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c6957b95ecc5b63c5a4bb4ecc28af326cf8f6dc8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dab173bae3303f074f063750a8dead2550d8c782"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fc8b0f5b16bab2e032b4cfcd6218d5df3b80b2ea"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: RDMA/hns: Fix double destruction of rsv_qp", "id": "2389510", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2389510"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-38582", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not 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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-08-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38582\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38582\nhttps://lore.kernel.org/linux-cve-announce/2025081914-CVE-2025-38582-7eca@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-08-21T12:31:37.587460+00:00", "updated": "2025-08-21T12:31:37.587512+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}