{"id":"CVE-2026-74393","state":"PUBLISHED","title":"drm/syncobj: Fix memory leak in drm_syncobj_find_fence()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/syncobj: Fix memory leak in drm_syncobj_find_fence()\n\nCommit 18226ba52159 (\"drm/syncobj: reject invalid flags in\ndrm_syncobj_find_fence\") forgot to take into account the fact that\ndrm_syncobj_find() takes a reference to syncobj and returns early\nwithout dropping the reference, leading to memory leaks.\n\nReported by: Sam Spencer <sam.spencer@arm.com>","publishedAt":"2026-08-15T05:59:06.470Z","updatedAt":"2026-08-17T05:18:32.271Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"18226ba52159257d4c2f777a168cc09adb3c1ac0","status":"affected","lessThan":"e245f3491bf30a758786a4424854f61fee472308","versionType":"git"},{"version":"18226ba52159257d4c2f777a168cc09adb3c1ac0","status":"affected","lessThan":"7471006cd854d159723344be809e8287a2d75502","versionType":"git"},{"version":"18226ba52159257d4c2f777a168cc09adb3c1ac0","status":"affected","lessThan":"5c5994a1204743fa55e4c198ed93a6c36f21cd1f","versionType":"git"},{"version":"18226ba52159257d4c2f777a168cc09adb3c1ac0","status":"affected","lessThan":"e5b93bd6fdb92aa5e4689715d7e8487d9ce66a38","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_syncobj.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/drm_syncobj.c"]}],"references":["https://git.kernel.org/stable/c/e245f3491bf30a758786a4424854f61fee472308","https://git.kernel.org/stable/c/7471006cd854d159723344be809e8287a2d75502","https://git.kernel.org/stable/c/5c5994a1204743fa55e4c198ed93a6c36f21cd1f","https://git.kernel.org/stable/c/e5b93bd6fdb92aa5e4689715d7e8487d9ce66a38"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74393.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74393","state":"PUBLISHED","datePublished":"2026-08-15T05:59:06.470Z","dateUpdated":"2026-08-17T05:18:32.271Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-15T05:44:03.891Z"},"containers":{"cna":{"title":"drm/syncobj: Fix memory leak in drm_syncobj_find_fence()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/syncobj: Fix memory leak in drm_syncobj_find_fence()\n\nCommit 18226ba52159 (\"drm/syncobj: reject invalid flags in\ndrm_syncobj_find_fence\") forgot to take into account the fact that\ndrm_syncobj_find() takes a reference to syncobj and returns early\nwithout dropping the reference, leading to memory leaks.\n\nReported by: Sam Spencer <sam.spencer@arm.com>"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"18226ba52159257d4c2f777a168cc09adb3c1ac0","status":"affected","lessThan":"e245f3491bf30a758786a4424854f61fee472308","versionType":"git"},{"version":"18226ba52159257d4c2f777a168cc09adb3c1ac0","status":"affected","lessThan":"7471006cd854d159723344be809e8287a2d75502","versionType":"git"},{"version":"18226ba52159257d4c2f777a168cc09adb3c1ac0","status":"affected","lessThan":"5c5994a1204743fa55e4c198ed93a6c36f21cd1f","versionType":"git"},{"version":"18226ba52159257d4c2f777a168cc09adb3c1ac0","status":"affected","lessThan":"e5b93bd6fdb92aa5e4689715d7e8487d9ce66a38","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_syncobj.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/drm_syncobj.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e245f3491bf30a758786a4424854f61fee472308"},{"url":"https://git.kernel.org/stable/c/7471006cd854d159723344be809e8287a2d75502"},{"url":"https://git.kernel.org/stable/c/5c5994a1204743fa55e4c198ed93a6c36f21cd1f"},{"url":"https://git.kernel.org/stable/c/e5b93bd6fdb92aa5e4689715d7e8487d9ce66a38"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:18:32.271Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}