{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89816","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.768Z","datePublished":"2026-09-16T10:30:49.052Z","dateUpdated":"2026-09-16T10:30:49.052Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-16T10:30:49.052Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: Fix drm_crtc_commit leak if signaled when PAGE_FLIP_EVENT is used\n\nCommit 1c6ceeee6ebb (\"drm/atomic: Fix memleak on ERESTARTSYS during\nnon-blocking commits\") fixed a very similar issue when the event was\nallocated by drm_atomic_helper_setup_commit() itself.\n\nHowever, if the event is allocated in prepare_signaling(), it will also be\nset to NULL in complete_signaling(), which prevents drm_crtc_commit from\nbeing put in __drm_atomic_helper_crtc_destroy_state().\n\nDropping the reference when the event is set to NULL at\ncomplete_signaling() fixes the leak.\n\nThe leak can be reproduced by sending a signal to the thread using\nDRM_MODE_PAGE_FLIP_EVENT and using a sw_sync fence to cause the atomic\nioctl to block at drm_atomic_helper_wait_for_fences(). It happened both\nwith amdgpu and vkms."}],"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_atomic_uapi.c"],"versions":[{"version":"24835e442f289813aa568d142a755672a740503c","lessThan":"c5517b71101f61a45144e3cf77a19626355272de","status":"affected","versionType":"git"},{"version":"24835e442f289813aa568d142a755672a740503c","lessThan":"866a04137dac7e82a3848851061ff7ed15c2847e","status":"affected","versionType":"git"},{"version":"24835e442f289813aa568d142a755672a740503c","lessThan":"6a6a7aae4681a20cd32789fea9a487aaafa0e7a3","status":"affected","versionType":"git"},{"version":"24835e442f289813aa568d142a755672a740503c","lessThan":"e2f27b5ed9084feb7bae9ef2bc80de37c92280b1","status":"affected","versionType":"git"},{"version":"24835e442f289813aa568d142a755672a740503c","lessThan":"ff73f5f43d032c3da3c534c517f661e8dfeb358a","status":"affected","versionType":"git"},{"version":"24835e442f289813aa568d142a755672a740503c","lessThan":"66b1b309886337745d395bbc158440ab196305ce","status":"affected","versionType":"git"},{"version":"24835e442f289813aa568d142a755672a740503c","lessThan":"e6195b941fdc8d81fc431c9f25539cf6c6234b51","status":"affected","versionType":"git"},{"version":"24835e442f289813aa568d142a755672a740503c","lessThan":"4d4be202165e832d74849b4a68e289a2a377039c","status":"affected","versionType":"git"},{"version":"c75fe7899538890109aad7bbf92b2f304389e825","status":"affected","versionType":"git"},{"version":"2a3241044b1c4ecc13f73b7158881881fb7534a1","status":"affected","versionType":"git"},{"version":"4.9.19","lessThan":"4.10","status":"affected","versionType":"semver"},{"version":"4.10.7","lessThan":"4.11","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_atomic_uapi.c"],"versions":[{"version":"4.11","status":"affected"},{"version":"0","lessThan":"4.11","status":"unaffected","versionType":"semver"},{"version":"5.10.270","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.51","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.5","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc2","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":"4.11","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"7.3-rc2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10.7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c5517b71101f61a45144e3cf77a19626355272de"},{"url":"https://git.kernel.org/stable/c/866a04137dac7e82a3848851061ff7ed15c2847e"},{"url":"https://git.kernel.org/stable/c/6a6a7aae4681a20cd32789fea9a487aaafa0e7a3"},{"url":"https://git.kernel.org/stable/c/e2f27b5ed9084feb7bae9ef2bc80de37c92280b1"},{"url":"https://git.kernel.org/stable/c/ff73f5f43d032c3da3c534c517f661e8dfeb358a"},{"url":"https://git.kernel.org/stable/c/66b1b309886337745d395bbc158440ab196305ce"},{"url":"https://git.kernel.org/stable/c/e6195b941fdc8d81fc431c9f25539cf6c6234b51"},{"url":"https://git.kernel.org/stable/c/4d4be202165e832d74849b4a68e289a2a377039c"}],"title":"drm: Fix drm_crtc_commit leak if signaled when PAGE_FLIP_EVENT is used","x_generator":{"engine":"bippy-1.2.0"}}}}