CVE-2026-43168

{"id": "CVE-2026-43168", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43168", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T15:30:14.532992Z"}}], "cvssMetricV31": [{"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": "0fe9b66c65f3ff227da45381afe7612f91e32740", "lessThan": "c44d86ca949cb1e5566ad14510cc26fa1a17e2d8", "versionType": "git"}, {"status": "affected", "version": "0fe9b66c65f3ff227da45381afe7612f91e32740", "lessThan": "02acc9f72365e50eb45a56b7dacb9114ca3b503c", "versionType": "git"}, {"status": "affected", "version": "0fe9b66c65f3ff227da45381afe7612f91e32740", "lessThan": "8ff329353134280b203cb2bce95311cb8f7cbd8a", "versionType": "git"}, {"status": "affected", "version": "0fe9b66c65f3ff227da45381afe7612f91e32740", "lessThan": "bb273b68c1719c2925e05557f7e7099edb066680", "versionType": "git"}, {"status": "affected", "version": "0fe9b66c65f3ff227da45381afe7612f91e32740", "lessThan": "b2952dbeac2c3c527cb0519d5ffaeb95b062466a", "versionType": "git"}, {"status": "affected", "version": "0fe9b66c65f3ff227da45381afe7612f91e32740", "lessThan": "3bdc3766aafb052aef4baadef455a84c1c0a059d", "versionType": "git"}, {"status": "affected", "version": "0fe9b66c65f3ff227da45381afe7612f91e32740", "lessThan": "2f4daccd9d9b8b2952df7878df8c2e8ba6439398", "versionType": "git"}, {"status": "affected", "version": "0fe9b66c65f3ff227da45381afe7612f91e32740", "lessThan": "5138c936c2c82c9be8883921854bc6f7e1177d8c", "versionType": "git"}], "programFiles": ["fs/ocfs2/xattr.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.32"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.32", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.252", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.202", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.165", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.128", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.75", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.16", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.6", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/ocfs2/xattr.c"], "defaultStatus": "affected"}]}], "published": "2026-05-06T12:16:35.060", "references": [{"url": "https://git.kernel.org/stable/c/02acc9f72365e50eb45a56b7dacb9114ca3b503c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2f4daccd9d9b8b2952df7878df8c2e8ba6439398", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3bdc3766aafb052aef4baadef455a84c1c0a059d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5138c936c2c82c9be8883921854bc6f7e1177d8c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8ff329353134280b203cb2bce95311cb8f7cbd8a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b2952dbeac2c3c527cb0519d5ffaeb95b062466a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bb273b68c1719c2925e05557f7e7099edb066680", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c44d86ca949cb1e5566ad14510cc26fa1a17e2d8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "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\nocfs2: fix reflink preserve cleanup issue\n\ncommit c06c303832ec (\"ocfs2: fix xattr array entry __counted_by error\")\ndoesn't handle all cases and the cleanup job for preserved xattr entries\nstill has bug:\n- the 'last' pointer should be shifted by one unit after cleanup\n an array entry.\n- current code logic doesn't cleanup the first entry when xh_count is 1.\n\nNote, commit c06c303832ec is also a bug fix for 0fe9b66c65f3."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nocfs2: correcci\u00f3n del problema de limpieza de preservaci\u00f3n de reflink\n\nEl commit c06c303832ec (\u2019ocfs2: fix xattr array entry __counted_by error\u2019) no maneja todos los casos y la tarea de limpieza para las entradas xattr preservadas todav\u00eda tiene un error:\n- el puntero \u2019last\u2019 deber\u00eda desplazarse una unidad despu\u00e9s de limpiar una entrada de la matriz.\n- la l\u00f3gica del c\u00f3digo actual no limpia la primera entrada cuando xh_count es 1.\n\nNota, el commit c06c303832ec es tambi\u00e9n una correcci\u00f3n de error para 0fe9b66c65f3."}], "lastModified": "2026-11-11T20:10:00.273", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8CE41C75-8DCF-44F0-8113-EB9D133FC448", "versionEndExcluding": "5.10.252", "versionStartIncluding": "2.6.32"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4002FC2B-1456-4666-B240-0EBF590C4671", "versionEndExcluding": "5.15.202", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654", "versionEndExcluding": "6.1.165", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2", "versionEndExcluding": "6.6.128", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}