{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-71131", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:30:19.655Z", "datePublished": "2026-01-14T15:07:47.194Z", "dateUpdated": "2026-08-05T12:12:16.622Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:12:16.622Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: seqiv - Do not use req->iv after crypto_aead_encrypt\n\nAs soon as crypto_aead_encrypt is called, the underlying request\nmay be freed by an asynchronous completion. 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 - Do not use req->iv after crypto_aead_encrypt", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2025-71131", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2026-06-10T20:40:45.516602Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-11T18:44:04.983Z" } }, { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-07-14T12:44:47.031Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html" } ] } ] } }