CVE-2026-31781

{"id": "CVE-2026-31781", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-31781", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T15:25:30.387022Z"}}], "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": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "46a60ee8956ef1975f00455f614761c7ecedc09d", "versionType": "git"}, {"status": "affected", "version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "5bb398991f378ef74d90b14a6ea8b61ff96cc03a", "versionType": "git"}, {"status": "affected", "version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "d59c5d8539662d95887b4564f3f72ad38076a2d5", "versionType": "git"}, {"status": "affected", "version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "489f2ef2b908898d01df697dc4fe1476674be640", "versionType": "git"}, {"status": "affected", "version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "4a41c2b18fc05d30b718d2602cac339eae710b34", "versionType": "git"}, {"status": "affected", "version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "f0e441be08a2eab10b2d06fccfa267ee599dd6b3", "versionType": "git"}, {"status": "affected", "version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "27ef84bba9b9d7b03418c60fbc6069ea0e87b13c", "versionType": "git"}, {"status": "affected", "version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "f8995c2df519f382525ca4bc90553ad2ec611067", "versionType": "git"}, {"status": "affected", "version": "abc60edcfc87771ff244763d4d19c67766f5dd0f", "versionType": "git"}, {"status": "affected", "version": "a2a840d6dcae960c2dfdf3fcb1b759e1b7d90663", "versionType": "git"}, {"status": "affected", "version": "00279b505289f7529d9be2e78915d0483ffbd314", "versionType": "git"}, {"status": "affected", "version": "d04e6ea0cec9e7d6cba806508f657d2d0dc6cacf", "versionType": "git"}, {"status": "affected", "version": "7f3ebea19795eb38438cd3709fabf2afd53cf447", "versionType": "git"}, {"status": "affected", "version": "3.16.63", "lessThan": "3.17", "versionType": "semver"}, {"status": "affected", "version": "4.4.170", "lessThan": "4.5", "versionType": "semver"}, {"status": "affected", "version": "4.9.148", "lessThan": "4.10", "versionType": "semver"}, {"status": "affected", "version": "4.14.91", "lessThan": "4.15", "versionType": "semver"}, {"status": "affected", "version": "4.19.13", "lessThan": "4.20", "versionType": "semver"}], "programFiles": ["drivers/gpu/drm/drm_ioc32.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.20"}, {"status": "unaffected", "version": "0", "lessThan": "4.20", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.253", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.203", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.168", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.134", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.81", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.22", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.12", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/drm_ioc32.c"], "defaultStatus": "affected"}]}], "published": "2026-05-01T15:16:41.577", "references": [{"url": "https://git.kernel.org/stable/c/27ef84bba9b9d7b03418c60fbc6069ea0e87b13c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/46a60ee8956ef1975f00455f614761c7ecedc09d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/489f2ef2b908898d01df697dc4fe1476674be640", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4a41c2b18fc05d30b718d2602cac339eae710b34", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5bb398991f378ef74d90b14a6ea8b61ff96cc03a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d59c5d8539662d95887b4564f3f72ad38076a2d5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f0e441be08a2eab10b2d06fccfa267ee599dd6b3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f8995c2df519f382525ca4bc90553ad2ec611067", "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\ndrm/ioc32: stop speculation on the drm_compat_ioctl path\n\nThe drm compat ioctl path takes a user controlled pointer, and then\ndereferences it into a table of function pointers, the signature method\nof spectre problems. Fix this up by calling array_index_nospec() on the\nindex to the function pointer list."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndrm/ioc32: detener la especulaci\u00f3n en la ruta drm_compat_ioctl\n\nLa ruta drm compat ioctl toma un puntero controlado por el usuario y luego lo desreferencia en una tabla de punteros de funci\u00f3n, el m\u00e9todo caracter\u00edstico de los problemas de Spectre. Soluciona esto llamando a array_index_nospec() en el \u00edndice de la lista de punteros de funci\u00f3n."}], "lastModified": "2026-11-11T21:10:00.200", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "397E9355-802C-42FB-9D2D-91CFA8EA9AD2", "versionEndExcluding": "3.17", "versionStartIncluding": "3.16.63"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6D2CF938-4FA1-416D-AC49-F221731F57ED", "versionEndExcluding": "4.5", "versionStartIncluding": "4.4.170"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33F3E0D4-C480-40A1-A07F-D8A3FCA24950", "versionEndExcluding": "4.10", "versionStartIncluding": "4.9.148"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5D7F3172-4AC1-481C-9E21-1366A469147F", "versionEndExcluding": "4.15", "versionStartIncluding": "4.14.91"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9405B32A-678E-4CD1-94D3-4FBB7DD0430F", "versionEndExcluding": "4.20", "versionStartIncluding": "4.19.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "99763E34-9798-4EED-94CE-E0AFF0E63F37", "versionEndExcluding": "5.10.253", "versionStartIncluding": "4.20.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20DDB3E9-AABF-4107-ADB0-5362AA067045", "versionEndExcluding": "5.15.203", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E2DDDCA1-6DAB-4018-B920-8F045DDD8D3B", "versionEndExcluding": "6.1.168", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F56F925B-BAF8-4F4B-B62F-1496AF19A307", "versionEndExcluding": "6.6.134", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6EF80433-B33B-43C5-8E64-0FA7B8DCE1BC", "versionEndExcluding": "6.12.81", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C9DF8BCE-36D3-475D-9D21-19E4F02F9029", "versionEndExcluding": "6.18.22", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A2B9540-02D5-41B4-B16A-82AF66FD4F36", "versionEndExcluding": "6.19.12", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.20:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1072305B-94A8-4D68-9419-B786885AA310"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "02259FDA-961B-47BC-AE7F-93D7EC6E90C2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58A9FEFF-C040-420D-8F0A-BFDAAA1DF258"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1D2315C0-D46F-4F85-9754-F9E5E11374A6"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}