CVE-2026-43239

{"id": "CVE-2026-43239", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43239", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:16:00.528244Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "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": "aa45dadd34e44fcd6a9df4b395bee5b5633b4cec", "lessThan": "de3c1653510d566a245cc54ac4bb9e50ebc5faa8", "versionType": "git"}, {"status": "affected", "version": "aa45dadd34e44fcd6a9df4b395bee5b5633b4cec", "lessThan": "93e8e3ee165ae4609a1222b516b573837103d2c3", "versionType": "git"}, {"status": "affected", "version": "aa45dadd34e44fcd6a9df4b395bee5b5633b4cec", "lessThan": "ab6564f416a6eaf1199200b6100952407b438f7d", "versionType": "git"}, {"status": "affected", "version": "aa45dadd34e44fcd6a9df4b395bee5b5633b4cec", "lessThan": "6287eefaf21ec805d42f941bd368018cf397a7f5", "versionType": "git"}, {"status": "affected", "version": "aa45dadd34e44fcd6a9df4b395bee5b5633b4cec", "lessThan": "76cc4faba0343c6db945b8dc75425b33d633e1b8", "versionType": "git"}, {"status": "affected", "version": "aa45dadd34e44fcd6a9df4b395bee5b5633b4cec", "lessThan": "c3c06e42e1527716c54f3ad2ced6a034b5f3a489", "versionType": "git"}], "programFiles": ["fs/smb/client/smb2ops.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.19"}, {"status": "unaffected", "version": "0", "lessThan": "5.19", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.191", "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/smb/client/smb2ops.c"], "defaultStatus": "affected"}]}], "published": "2026-05-06T12:16:44.217", "references": [{"url": "https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/de3c1653510d566a245cc54ac4bb9e50ebc5faa8", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: prevent races in ->query_interfaces()\n\nIt was possible for two query interface works to be concurrently trying\nto update the interfaces.\n\nPrevent this by checking and updating iface_last_update under\niface_lock."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nsmb: cliente: prevenir condiciones de carrera en -> query_interfaces()\n\nEra posible que dos trabajos de consulta de interfaz estuvieran intentando concurrentemente actualizar las interfaces.\n\nEvitar esto comprobando y actualizando iface_last_update bajo iface_lock."}], "lastModified": "2026-11-11T20:10:00.273", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56F16825-A54F-4D43-88F1-ED26D4FB0F71", "versionEndExcluding": "6.6.128", "versionStartIncluding": "5.19.1"}, {"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"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D759CCF-9E1B-41B2-81AA-CB580C5F3EEC"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2E9C0DB0-D349-489F-A3D6-B77214E93A8A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A0DE3B7-0FFB-45AA-9BD6-19870CA7C6FD"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00AE778B-BAEE-49EB-9F84-003B73D7862A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C178431E-AD82-4B3D-B70F-A273A02ABD5D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc8:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2CF5D19C-C418-4B57-B52D-7795547F4096"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}