{"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":"2026-05-11T22:15:41.307Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:15:41.307Z"},"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":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.12.81"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.18.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.19.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"7.0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.170"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/46a60ee8956ef1975f00455f614761c7ecedc09d"},{"url":"https://git.kernel.org/stable/c/5bb398991f378ef74d90b14a6ea8b61ff96cc03a"},{"url":"https://git.kernel.org/stable/c/d59c5d8539662d95887b4564f3f72ad38076a2d5"},{"url":"https://git.kernel.org/stable/c/489f2ef2b908898d01df697dc4fe1476674be640"},{"url":"https://git.kernel.org/stable/c/4a41c2b18fc05d30b718d2602cac339eae710b34"},{"url":"https://git.kernel.org/stable/c/f0e441be08a2eab10b2d06fccfa267ee599dd6b3"},{"url":"https://git.kernel.org/stable/c/27ef84bba9b9d7b03418c60fbc6069ea0e87b13c"},{"url":"https://git.kernel.org/stable/c/f8995c2df519f382525ca4bc90553ad2ec611067"}],"title":"drm/ioc32: stop speculation on the drm_compat_ioctl path","x_generator":{"engine":"bippy-1.2.0"}}}}