CVE-2025-71131

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Thus dereferencing\nreq->iv after it returns is invalid.\n\nInstead of checking req->iv against info, create a new variable\nunaligned_info and use it for that purpose instead."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:N - A remote peer can trigger outbound ESP encryption by sending TCP traffic that induces protected ACKs or replies through an existing XFRM policy.\nAC:L - With an asynchronous accelerator present, repeated traffic creates the submission/completion race without requiring precise heap layout or victim action.\nPR:N - In an already-configured IPsec gateway or service deployment, the attacker only needs to send traffic that elicits protected output and does not need local capabilities.\nUI:N - No victim user action is required because packet processing and asynchronous completion occur automatically.\nS:U - The vulnerable crypto operation and resulting kernel impact remain within the host kernel's security authority.\nC:N - The freed req->iv value is only loaded for a pointer comparison and is never exposed. For asynchronous return values, the cleanup helper returns before any further dereference.\nI:N - The stale value cannot drive a store, arbitrary free, or control-flow target, so the vulnerable path provides no modification primitive.\nA:H - The flaw produced an observed slab-use-after-free crash in seqiv_aead_encrypt, which can cause a fatal KASAN report, oops, or kernel panic."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["crypto/seqiv.c"], "versions": [{"version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771", "lessThan": "18202537856e0fae079fed2c9308780bcff2bb9d", "status": "affected", "versionType": "git"}, {"version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771", "lessThan": "baf0e2d1e03ddb04781dfe7f22a654d3611f69b2", "status": "affected", "versionType": "git"}, {"version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771", "lessThan": "50f196d2bbaee4ab2494bb1b0d294deba292951a", "status": "affected", "versionType": "git"}, {"version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771", "lessThan": "0279978adec6f1296af66b642cce641c6580be46", "status": "affected", "versionType": "git"}, {"version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771", "lessThan": "ccbb96434d88e32358894c879457b33f7508e798", "status": "affected", "versionType": "git"}, {"version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771", "lessThan": "5476f7f8a311236604b78fcc5b2a63b3a61b0169", "status": "affected", "versionType": "git"}, {"version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771", "lessThan": "50fdb78b7c0bcc550910ef69c0984e751cac72fa", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["crypto/seqiv.c"], "versions": [{"version": "2.6.25", "status": "affected"}, {"version": "0", "lessThan": "2.6.25", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.248", "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": "6.12.64", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.4", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "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": "2.6.25", "versionEndExcluding": "5.10.248"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.25", "versionEndExcluding": "5.15.198"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.25", "versionEndExcluding": "6.1.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.25", "versionEndExcluding": "6.6.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.25", "versionEndExcluding": "6.12.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.25", "versionEndExcluding": "6.18.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.25", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/18202537856e0fae079fed2c9308780bcff2bb9d"}, {"url": "https://git.kernel.org/stable/c/baf0e2d1e03ddb04781dfe7f22a654d3611f69b2"}, {"url": "https://git.kernel.org/stable/c/50f196d2bbaee4ab2494bb1b0d294deba292951a"}, {"url": "https://git.kernel.org/stable/c/0279978adec6f1296af66b642cce641c6580be46"}, {"url": "https://git.kernel.org/stable/c/ccbb96434d88e32358894c879457b33f7508e798"}, {"url": "https://git.kernel.org/stable/c/5476f7f8a311236604b78fcc5b2a63b3a61b0169"}, {"url": "https://git.kernel.org/stable/c/50fdb78b7c0bcc550910ef69c0984e751cac72fa"}], "title": "crypto: seqiv - 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Thus dereferencing\nreq->iv after it returns is invalid.\n\nInstead of checking req->iv against info, create a new variable\nunaligned_info and use it for that purpose instead."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncrypto: seqiv - No usar req->iv despu\u00e9s de crypto_aead_encrypt\n\nTan pronto como se llama a crypto_aead_encrypt, la solicitud subyacente puede ser liberada por una finalizaci\u00f3n as\u00edncrona. Por lo tanto, desreferenciar req->iv despu\u00e9s de que regresa es inv\u00e1lido.\n\nEn lugar de comprobar req->iv contra info, crear una nueva variable unaligned_info y usarla para ese prop\u00f3sito en su lugar."}], "id": "CVE-2025-71131", "lastModified": "2026-11-10T13:18:07.040", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "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-2025-71131", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-10T20:40:45.516602Z", "version": "2.0.3"}}]}, "published": "2026-01-14T15:16:02.843", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0279978adec6f1296af66b642cce641c6580be46"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/18202537856e0fae079fed2c9308780bcff2bb9d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/50f196d2bbaee4ab2494bb1b0d294deba292951a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/50fdb78b7c0bcc550910ef69c0984e751cac72fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5476f7f8a311236604b78fcc5b2a63b3a61b0169"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/baf0e2d1e03ddb04781dfe7f22a654d3611f69b2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ccbb96434d88e32358894c879457b33f7508e798"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: crypto: seqiv - Do not use req->iv after crypto_aead_encrypt", "id": "2429583", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429583"}, "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-2025-71131", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-01-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71131\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71131\nhttps://lore.kernel.org/linux-cve-announce/2026011452-CVE-2025-71131-c844@gregkh/T"], "threat_severity": "Low"}

{}