CVE-2025-39965

{"id": "CVE-2025-39965", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-39965", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:55:18.566568Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3d8090bb53424432fa788fe9a49e8ceca74f0544", "lessThan": "0baf92d0b1590b903c1f4ead75e61715e50e8146", "versionType": "git"}, {"status": "affected", "version": "2fc5b54368a1bf1d2d74b4d3b8eea5309a653e38", "lessThan": "9fcedabaae0096f712bbb4ccca6a8538af1cd1c8", "versionType": "git"}, {"status": "affected", "version": "29e9158f91f99057dbd35db5e8674d93b38549fe", "lessThan": "a78e55776522373c446f18d5002a8de4b09e6bf7", "versionType": "git"}, {"status": "affected", "version": "94f39804d891cffe4ce17737d295f3b195bc7299", "lessThan": "cd8ae32e4e4652db55bce6b9c79267d8946765a9", "versionType": "git"}, {"status": "affected", "version": "fb58962aa3b9359988c7b5b15a971fd9ad5b0ecd", "versionType": "git"}, {"status": "affected", "version": "c67d4e7a8f90fb6361ca89d4d5c9a28f4e935e47", "versionType": "git"}, {"status": "affected", "version": "6.1.191", "lessThan": "6.2", "versionType": "semver"}, {"status": "affected", "version": "6.15.11", "lessThan": "6.16", "versionType": "semver"}], "programFiles": ["net/xfrm/xfrm_state.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.6.103", "lessThan": "6.6.109", "versionType": "semver"}, {"status": "affected", "version": "6.12.43", "lessThan": "6.12.50", "versionType": "semver"}, {"status": "affected", "version": "6.16.2", "lessThan": "6.16.10", "versionType": "semver"}], "programFiles": ["net/xfrm/xfrm_state.c"], "defaultStatus": "unaffected"}]}], "published": "2025-10-13T14:15:34.910", "references": [{"url": "https://git.kernel.org/stable/c/0baf92d0b1590b903c1f4ead75e61715e50e8146", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9fcedabaae0096f712bbb4ccca6a8538af1cd1c8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a78e55776522373c446f18d5002a8de4b09e6bf7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cd8ae32e4e4652db55bce6b9c79267d8946765a9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: xfrm_alloc_spi shouldn't use 0 as SPI\n\nx->id.spi == 0 means \"no SPI assigned\", but since commit\n94f39804d891 (\"xfrm: Duplicate SPI Handling\"), we now create states\nand add them to the byspi list with this value.\n\n__xfrm_state_delete doesn't remove those states from the byspi list,\nsince they shouldn't be there, and this shows up as a UAF the next\ntime we go through the byspi list."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nxfrm: xfrm_alloc_spi no deber\u00eda usar 0 como SPI\n\nx->id.spi == 0 significa 'no hay SPI asignado', pero desde el commit 94f39804d891 ('xfrm: Manejo de SPI Duplicado'), ahora creamos estados y los a\u00f1adimos a la lista byspi con este valor.\n\n__xfrm_state_delete no elimina esos estados de la lista byspi, ya que no deber\u00edan estar all\u00ed, y esto se manifiesta como un UAF la pr\u00f3xima vez que recorramos la lista byspi."}], "lastModified": "2026-10-30T13:18:12.090", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A33D59EB-F9EC-4F4A-B85C-8B9DF77F0CBE", "versionEndExcluding": "6.6.109", "versionStartIncluding": "6.6.103"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D946BB01-10F6-44C7-A2E5-672C4B746920", "versionEndExcluding": "6.12.50", "versionStartIncluding": "6.12.43"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53FE35DC-2528-48D7-A855-1127CA02EE4D", "versionEndExcluding": "6.16", "versionStartIncluding": "6.15.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EDE9892A-2523-424A-8D02-DFCE8B965230", "versionEndExcluding": "6.16.10", "versionStartIncluding": "6.16.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C730CD9A-D969-4A8E-9522-162AAF7C0EE9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39982C4B-716E-4B2F-8196-FA301F47807D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "340BEEA9-D70D-4290-B502-FBB1032353B1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "47E4C5C0-079F-4838-971B-8C503D48FCC2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A4516A6-C12E-42A4-8C0E-68AEF3264504"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3963C3A0-CEA1-4F5C-8011-3A593ABB684D"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}