{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23039","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.943Z","datePublished":"2026-01-31T11:42:33.377Z","dateUpdated":"2026-05-11T21:58:49.153Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:58:49.153Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gud: fix NULL fb and crtc dereferences on USB disconnect\n\nOn disconnect drm_atomic_helper_disable_all() is called which\nsets both the fb and crtc for a plane to NULL before invoking a commit.\n\nThis causes a kernel oops on every display disconnect.\n\nAdd guards for those dereferences."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/gud/gud_pipe.c"],"versions":[{"version":"73cfd166e045769a1b42d36897accaa6e06b8102","lessThan":"a255ec07f91d4c73a361a28b7a3d82f5710245f1","status":"affected","versionType":"git"},{"version":"73cfd166e045769a1b42d36897accaa6e06b8102","lessThan":"dc2d5ddb193e363187bae2ad358245642d2721fb","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/gud/gud_pipe.c"],"versions":[{"version":"6.18","status":"affected"},{"version":"0","lessThan":"6.18","status":"unaffected","versionType":"semver"},{"version":"6.18.7","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","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":"6.18","versionEndExcluding":"6.18.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a255ec07f91d4c73a361a28b7a3d82f5710245f1"},{"url":"https://git.kernel.org/stable/c/dc2d5ddb193e363187bae2ad358245642d2721fb"}],"title":"drm/gud: fix NULL fb and crtc dereferences on USB disconnect","x_generator":{"engine":"bippy-1.2.0"}}}}