{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74732","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-15T05:44:03.930Z","datePublished":"2026-08-22T15:33:20.934Z","dateUpdated":"2026-08-22T15:33:20.934Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-22T15:33:20.934Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check for tg ops in dce110_set_avmute\n\nSome older DCE timing generators do not implement is_tg_enabled in\ntheir ops table. Calling it unconditionally when waiting for AV mute\nframes causes a NULL pointer dereference on Southern Islands dGPUs\nwhen turning the display off over HDMI.\n\nCheck that tg and the required ops exist before waiting for frames.\n\n(cherry picked from commit 2686a0c0aaa07bec2e24131835cf27b5fd4935a5)"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c"],"versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"853c2d31408bd45dcf92d0eb1f06eb439a56cf04","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"d089f32d34f821c8f0ef23d5fcd77bd43c1b3b92","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"5edbb409b0bc5001195f4b7cfca19122361211a1","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"3141e3d61469bba2624a91c5e2407f110b33b29e","status":"affected","versionType":"git"},{"version":"0","lessThan":"6.12.104","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.18.45","status":"affected","versionType":"semver"},{"version":"0","lessThan":"7.1.9","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/amd/display/dc/hwss/dce110/dce110_hwseq.c"],"versions":[{"version":"6.12.104","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.45","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.9","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.104"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.45"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/853c2d31408bd45dcf92d0eb1f06eb439a56cf04"},{"url":"https://git.kernel.org/stable/c/d089f32d34f821c8f0ef23d5fcd77bd43c1b3b92"},{"url":"https://git.kernel.org/stable/c/5edbb409b0bc5001195f4b7cfca19122361211a1"},{"url":"https://git.kernel.org/stable/c/3141e3d61469bba2624a91c5e2407f110b33b29e"}],"title":"drm/amd/display: Check for tg ops in dce110_set_avmute","x_generator":{"engine":"bippy-1.2.0"}}}}