{"api_version":"1","generated_at":"2026-08-22T17:47:30+00:00","cve":"CVE-2026-74732","urls":{"html":"https://cve.report/CVE-2026-74732","api":"https://cve.report/api/cve/CVE-2026-74732.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74732","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74732"},"summary":{"title":"drm/amd/display: Check for tg ops in dce110_set_avmute","description":"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)","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-22 16:16:48","updated_at":"2026-08-22 16:16:48"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/853c2d31408bd45dcf92d0eb1f06eb439a56cf04","name":"https://git.kernel.org/stable/c/853c2d31408bd45dcf92d0eb1f06eb439a56cf04","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3141e3d61469bba2624a91c5e2407f110b33b29e","name":"https://git.kernel.org/stable/c/3141e3d61469bba2624a91c5e2407f110b33b29e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5edbb409b0bc5001195f4b7cfca19122361211a1","name":"https://git.kernel.org/stable/c/5edbb409b0bc5001195f4b7cfca19122361211a1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d089f32d34f821c8f0ef23d5fcd77bd43c1b3b92","name":"https://git.kernel.org/stable/c/d089f32d34f821c8f0ef23d5fcd77bd43c1b3b92","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74732","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74732","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 853c2d31408bd45dcf92d0eb1f06eb439a56cf04 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 d089f32d34f821c8f0ef23d5fcd77bd43c1b3b92 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 5edbb409b0bc5001195f4b7cfca19122361211a1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 3141e3d61469bba2624a91c5e2407f110b33b29e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.104 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.45 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1.9 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.104 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.45 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.9 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"853c2d31408bd45dcf92d0eb1f06eb439a56cf04","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"d089f32d34f821c8f0ef23d5fcd77bd43c1b3b92","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"5edbb409b0bc5001195f4b7cfca19122361211a1","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"3141e3d61469bba2624a91c5e2407f110b33b29e","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"6.12.104","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.18.45","status":"affected","version":"0","versionType":"semver"},{"lessThan":"7.1.9","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.104","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.45","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"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","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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)"}],"providerMetadata":{"dateUpdated":"2026-08-22T15:33:20.934Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74732","datePublished":"2026-08-22T15:33:20.934Z","dateReserved":"2026-08-15T05:44:03.930Z","dateUpdated":"2026-08-22T15:33:20.934Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-22 16:16:48","lastModifiedDate":"2026-08-22 16:16:48","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74732","Ordinal":"1","Title":"drm/amd/display: Check for tg ops in dce110_set_avmute","CVE":"CVE-2026-74732","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74732","Ordinal":"1","NoteData":"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)","Type":"Description","Title":"drm/amd/display: Check for tg ops in dce110_set_avmute"}]}}}