{"id":"CVE-2026-98514","state":"PUBLISHED","title":"drm/nouveau: Fix gem reference leak in validate_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: Fix gem reference leak in validate_init()\n\nOn the ttm_bo_reserve() failure and \"vma not found\" error paths, the\nloop breaks without adding the looked-up object to any validate list,\nso the reference taken by drm_gem_object_lookup() is never released;\nvalidate_fini() only walks the spliced lists.  Drop the reference\nbefore breaking out on both paths.","publishedAt":"2026-10-18T15:17:30.612Z","updatedAt":"2026-10-19T09:20:54.190Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"af2f48c12365866abb327d75c21a13bbde84719c","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"3c80e069470cf73c357c9edb5ec5fba20e6f6a98","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"957619120c26d6727efd18504e6b488673d3900a","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"74485cdc343060fce08f8f3990da524d783e43a7","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"8281930fc194ad448aaa5de8dd47fb6fb1cba327","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"030e93fc91d55d9487b3b85fc0712bb795d77834","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"9e13c398a23445baf38f0a59033dd9872a2bfe20","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"5ea72f7b7139b123713a7983448f910bc4514d9e","versionType":"git"},{"version":"bcc16811023394a5e61a20c107f1fa560a28b7c1","status":"affected","versionType":"git"},{"version":"4.17.12","status":"affected","lessThan":"4.18","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/nouveau/nouveau_gem.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/nouveau/nouveau_gem.c"]}],"references":["https://git.kernel.org/stable/c/af2f48c12365866abb327d75c21a13bbde84719c","https://git.kernel.org/stable/c/3c80e069470cf73c357c9edb5ec5fba20e6f6a98","https://git.kernel.org/stable/c/957619120c26d6727efd18504e6b488673d3900a","https://git.kernel.org/stable/c/74485cdc343060fce08f8f3990da524d783e43a7","https://git.kernel.org/stable/c/8281930fc194ad448aaa5de8dd47fb6fb1cba327","https://git.kernel.org/stable/c/030e93fc91d55d9487b3b85fc0712bb795d77834","https://git.kernel.org/stable/c/9e13c398a23445baf38f0a59033dd9872a2bfe20","https://git.kernel.org/stable/c/5ea72f7b7139b123713a7983448f910bc4514d9e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98514.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98514","state":"PUBLISHED","datePublished":"2026-10-18T15:17:30.612Z","dateUpdated":"2026-10-19T09:20:54.190Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.354Z"},"containers":{"cna":{"title":"drm/nouveau: Fix gem reference leak in validate_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: Fix gem reference leak in validate_init()\n\nOn the ttm_bo_reserve() failure and \"vma not found\" error paths, the\nloop breaks without adding the looked-up object to any validate list,\nso the reference taken by drm_gem_object_lookup() is never released;\nvalidate_fini() only walks the spliced lists.  Drop the reference\nbefore breaking out on both paths."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"af2f48c12365866abb327d75c21a13bbde84719c","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"3c80e069470cf73c357c9edb5ec5fba20e6f6a98","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"957619120c26d6727efd18504e6b488673d3900a","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"74485cdc343060fce08f8f3990da524d783e43a7","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"8281930fc194ad448aaa5de8dd47fb6fb1cba327","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"030e93fc91d55d9487b3b85fc0712bb795d77834","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"9e13c398a23445baf38f0a59033dd9872a2bfe20","versionType":"git"},{"version":"19ca10d82e33bcfe92412c461fc3534ec1e14747","status":"affected","lessThan":"5ea72f7b7139b123713a7983448f910bc4514d9e","versionType":"git"},{"version":"bcc16811023394a5e61a20c107f1fa560a28b7c1","status":"affected","versionType":"git"},{"version":"4.17.12","status":"affected","lessThan":"4.18","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/nouveau/nouveau_gem.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/nouveau/nouveau_gem.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/af2f48c12365866abb327d75c21a13bbde84719c"},{"url":"https://git.kernel.org/stable/c/3c80e069470cf73c357c9edb5ec5fba20e6f6a98"},{"url":"https://git.kernel.org/stable/c/957619120c26d6727efd18504e6b488673d3900a"},{"url":"https://git.kernel.org/stable/c/74485cdc343060fce08f8f3990da524d783e43a7"},{"url":"https://git.kernel.org/stable/c/8281930fc194ad448aaa5de8dd47fb6fb1cba327"},{"url":"https://git.kernel.org/stable/c/030e93fc91d55d9487b3b85fc0712bb795d77834"},{"url":"https://git.kernel.org/stable/c/9e13c398a23445baf38f0a59033dd9872a2bfe20"},{"url":"https://git.kernel.org/stable/c/5ea72f7b7139b123713a7983448f910bc4514d9e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:20:54.190Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}