{"id":"CVE-2024-40926","state":"PUBLISHED","title":"drm/nouveau: don't attempt to schedule hpd_work on headless cards","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: don't attempt to schedule hpd_work on headless cards\n\nIf the card doesn't have display hardware, hpd_work and hpd_lock are\nleft uninitialized which causes BUG when attempting to schedule hpd_work\non runtime PM resume.\n\nFix it by adding headless flag to DRM and skip any hpd if it's set.","publishedAt":"2024-07-12T12:25:06.435Z","updatedAt":"2026-05-11T20:22:30.403Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ae1aadb1eb8d3cbc52e42bee71d67bd4a71f9f07","status":"affected","lessThan":"227349998e5740f14d531b0f0d704e66b1ed3c2f","versionType":"git"},{"version":"ae1aadb1eb8d3cbc52e42bee71d67bd4a71f9f07","status":"affected","lessThan":"b96a225377b6602299a03d2ce3c289b68cd41bb7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/nouveau/dispnv04/disp.c","drivers/gpu/drm/nouveau/dispnv50/disp.c","drivers/gpu/drm/nouveau/nouveau_display.c","drivers/gpu/drm/nouveau/nouveau_drv.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.9.6","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","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/nouveau/dispnv04/disp.c","drivers/gpu/drm/nouveau/dispnv50/disp.c","drivers/gpu/drm/nouveau/nouveau_display.c","drivers/gpu/drm/nouveau/nouveau_drv.h"]}],"references":["https://git.kernel.org/stable/c/227349998e5740f14d531b0f0d704e66b1ed3c2f","https://git.kernel.org/stable/c/b96a225377b6602299a03d2ce3c289b68cd41bb7"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/40xxx/CVE-2024-40926.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-40926","state":"PUBLISHED","datePublished":"2024-07-12T12:25:06.435Z","dateUpdated":"2026-05-11T20:22:30.403Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-07-12T12:17:45.583Z"},"containers":{"cna":{"title":"drm/nouveau: don't attempt to schedule hpd_work on headless cards","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: don't attempt to schedule hpd_work on headless cards\n\nIf the card doesn't have display hardware, hpd_work and hpd_lock are\nleft uninitialized which causes BUG when attempting to schedule hpd_work\non runtime PM resume.\n\nFix it by adding headless flag to DRM and skip any hpd if it's set."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ae1aadb1eb8d3cbc52e42bee71d67bd4a71f9f07","status":"affected","lessThan":"227349998e5740f14d531b0f0d704e66b1ed3c2f","versionType":"git"},{"version":"ae1aadb1eb8d3cbc52e42bee71d67bd4a71f9f07","status":"affected","lessThan":"b96a225377b6602299a03d2ce3c289b68cd41bb7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/nouveau/dispnv04/disp.c","drivers/gpu/drm/nouveau/dispnv50/disp.c","drivers/gpu/drm/nouveau/nouveau_display.c","drivers/gpu/drm/nouveau/nouveau_drv.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.9.6","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","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/nouveau/dispnv04/disp.c","drivers/gpu/drm/nouveau/dispnv50/disp.c","drivers/gpu/drm/nouveau/nouveau_display.c","drivers/gpu/drm/nouveau/nouveau_drv.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/227349998e5740f14d531b0f0d704e66b1ed3c2f"},{"url":"https://git.kernel.org/stable/c/b96a225377b6602299a03d2ce3c289b68cd41bb7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:22:30.403Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.9.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.10"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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