{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38675", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.031Z", "datePublished": "2025-08-22T16:04:12.688Z", "dateUpdated": "2026-07-30T05:56:21.273Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-30T05:56:21.273Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: state: initialize state_ptrs earlier in xfrm_state_find\n\nIn case of preemption, xfrm_state_look_at will find a different\npcpu_id and look up states for that other CPU. If we matched a state\nfor CPU2 in the state_cache while the lookup started on CPU1, we will\njump to \"found\", but the \"best\" state that we got will be ignored and\nwe will enter the \"acquire\" block. This block uses state_ptrs, which\nisn't initialized at this point.\n\nLet's initialize state_ptrs just after taking rcu_read_lock. This will\nalso prevent a possible misuse in the future, if someone adjusts this\nfunction."}], "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"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/xfrm/xfrm_state.c"], "versions": [{"version": "a16871c7832ea6435abb6e0b58289ae7dcb7e4fc", "lessThan": "6bf2daafc51bcb9272c0fdff2afd38217337d0d3", "status": "affected", "versionType": "git"}, {"version": "e952837f3ddb0ff726d5b582aa1aad9aa38d024d", "lessThan": "463562f9591742be62ddde3b426a0533ed496955", "status": "affected", "versionType": "git"}, {"version": "e952837f3ddb0ff726d5b582aa1aad9aa38d024d", "lessThan": "94d077c331730510d5611b438640a292097341f0", "status": "affected", "versionType": "git"}, {"version": "b86dc510308d7a8955f3f47a4fea4bef887653e4", "status": "affected", "versionType": "git"}, {"version": "dd4c2a174994238d55ab54da2545543d36f4e0d0", "status": "affected", "versionType": "git"}, {"version": "6.12.13", "lessThan": "6.12.41", "status": "affected", "versionType": "semver"}, {"version": "6.6.120", "lessThan": "6.7", "status": "affected", "versionType": "semver"}, {"version": "6.13.2", "lessThan": "6.14", "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/xfrm/xfrm_state.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.41", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.9", "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": "6.12.13", "versionEndExcluding": "6.12.41"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "6.15.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "6.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6bf2daafc51bcb9272c0fdff2afd38217337d0d3"}, {"url": "https://git.kernel.org/stable/c/463562f9591742be62ddde3b426a0533ed496955"}, {"url": "https://git.kernel.org/stable/c/94d077c331730510d5611b438640a292097341f0"}], "title": "xfrm: state: initialize state_ptrs earlier in xfrm_state_find", "x_generator": {"engine": "bippy-1.2.0"}}}}

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If we matched a state\nfor CPU2 in the state_cache while the lookup started on CPU1, we will\njump to \"found\", but the \"best\" state that we got will be ignored and\nwe will enter the \"acquire\" block. This block uses state_ptrs, which\nisn't initialized at this point.\n\nLet's initialize state_ptrs just after taking rcu_read_lock. This will\nalso prevent a possible misuse in the future, if someone adjusts this\nfunction."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xfrm: state: inicializar state_ptrs antes en xfrm_state_find. En caso de preempci\u00f3n, xfrm_state_look_at encontrar\u00e1 un pcpu_id diferente y buscar\u00e1 los estados de esa otra CPU. Si se encontr\u00f3 un estado para la CPU2 en state_cache mientras la b\u00fasqueda se iniciaba en la CPU1, se saltar\u00e1 a \"found\", pero se ignorar\u00e1 el mejor estado obtenido y se acceder\u00e1 al bloque \"acquire\". Este bloque utiliza state_ptrs, que a\u00fan no est\u00e1 inicializado. Inicialicemos state_ptrs justo despu\u00e9s de ejecutar rcu_read_lock. Esto tambi\u00e9n evitar\u00e1 un posible uso indebido en el futuro si alguien ajusta esta funci\u00f3n."}], "id": "CVE-2025-38675", "lastModified": "2026-06-17T09:17:37.997", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2025-08-22T16:15:43.217", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/463562f9591742be62ddde3b426a0533ed496955"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6bf2daafc51bcb9272c0fdff2afd38217337d0d3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/94d077c331730510d5611b438640a292097341f0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: xfrm: state: initialize state_ptrs earlier in xfrm_state_find", "id": "2390342", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2390342"}, "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": ["No description is available for this CVE."], "name": "CVE-2025-38675", "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": "Out of support scope", "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": "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": "2025-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38675\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38675\nhttps://lore.kernel.org/linux-cve-announce/2025082205-CVE-2025-38675-5eac@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-08-23T10:55:14.864712+00:00", "updated": "2025-08-23T10:55:14.864786+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}