{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31781", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.141Z", "datePublished": "2026-05-01T14:15:07.933Z", "dateUpdated": "2026-05-01T14:15:07.933Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-01T14:15:07.933Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/drm_ioc32.c"], "versions": [{"version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "46a60ee8956ef1975f00455f614761c7ecedc09d", "status": "affected", "versionType": "git"}, {"version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "5bb398991f378ef74d90b14a6ea8b61ff96cc03a", "status": "affected", "versionType": "git"}, {"version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "d59c5d8539662d95887b4564f3f72ad38076a2d5", "status": "affected", "versionType": "git"}, {"version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "489f2ef2b908898d01df697dc4fe1476674be640", "status": "affected", "versionType": "git"}, {"version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "4a41c2b18fc05d30b718d2602cac339eae710b34", "status": "affected", "versionType": "git"}, {"version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "f0e441be08a2eab10b2d06fccfa267ee599dd6b3", "status": "affected", "versionType": "git"}, {"version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "27ef84bba9b9d7b03418c60fbc6069ea0e87b13c", "status": "affected", "versionType": "git"}, {"version": "505b5240329b922f21f91d5b5d1e535c805eca6d", "lessThan": "f8995c2df519f382525ca4bc90553ad2ec611067", "status": "affected", "versionType": "git"}, {"version": "abc60edcfc87771ff244763d4d19c67766f5dd0f", "status": "affected", "versionType": "git"}, {"version": "a2a840d6dcae960c2dfdf3fcb1b759e1b7d90663", "status": "affected", "versionType": "git"}, {"version": "00279b505289f7529d9be2e78915d0483ffbd314", "status": "affected", "versionType": "git"}, {"version": "d04e6ea0cec9e7d6cba806508f657d2d0dc6cacf", "status": "affected", "versionType": "git"}, {"version": "7f3ebea19795eb38438cd3709fabf2afd53cf447", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/drm_ioc32.c"], "versions": [{"version": "4.20", "status": "affected"}, {"version": "0", "lessThan": "4.20", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.253", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.203", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.168", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.134", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.81", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.22", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.12", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "4.20", "versionEndExcluding": "5.10.253"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.15.203"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.1.168"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.6.134"}, {"vulnerable": true, "criteria": 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{}

{"cveTags": [], "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."}], "id": "CVE-2026-31781", "lastModified": "2026-05-01T15:24:14.893", "metrics": {}, "published": "2026-05-01T15:16:41.577", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/27ef84bba9b9d7b03418c60fbc6069ea0e87b13c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/46a60ee8956ef1975f00455f614761c7ecedc09d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/489f2ef2b908898d01df697dc4fe1476674be640"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4a41c2b18fc05d30b718d2602cac339eae710b34"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5bb398991f378ef74d90b14a6ea8b61ff96cc03a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d59c5d8539662d95887b4564f3f72ad38076a2d5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f0e441be08a2eab10b2d06fccfa267ee599dd6b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f8995c2df519f382525ca4bc90553ad2ec611067"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}