{"id":"CVE-2026-98785","state":"PUBLISHED","title":"drm/amd/display: check dc_state_create_copy() for NULL in dm_suspend","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: check dc_state_create_copy() for NULL in dm_suspend\n\ndc_state_create_copy() can return NULL on allocation failure.\ndm_suspend() only conditionally skips dm_gpureset_toggle_interrupts()\nand continues execution, returning success.  dm_resume() then\ndereferences the NULL cached_dc_state in link_enc_cfg_copy() and the\nfollowing dc_state->stream_count loop, crashing during GPU reset\nrecovery.\n\nReturn -ENOMEM immediately if the copy fails, so the caller aborts\nsuspend instead of leaving a NULL cached state for resume.\n\n(cherry picked from commit 84b6d7932fdd2857795a257f9f258562a3cddcab)","publishedAt":"2026-10-18T15:48:22.111Z","updatedAt":"2026-10-30T12:39:49.489Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0b8b23b9c2ebec693a36fea518d8f13493ad655","status":"affected","lessThan":"ed65678bb23a5f5040932960851ac39bdeafb765","versionType":"git"},{"version":"83c7f509ef087041604e9572938f82e18b724c9d","status":"affected","lessThan":"0b24f9d4e6e8ab64da8f2ae85bd1790d0f6a596f","versionType":"git"},{"version":"4cc2a94d96caeb3c975acdae7351c2f997c32175","status":"affected","lessThan":"29302964ef583f3a57efc3c990bc0a71337bd3a4","versionType":"git"},{"version":"8092aa3ab8f7b737a34b71f91492c676a843043a","status":"affected","lessThan":"686baa1f4ec43b33e39e3d4b4a4539a91d17e883","versionType":"git"},{"version":"8092aa3ab8f7b737a34b71f91492c676a843043a","status":"affected","lessThan":"197946faa1b7968046ba475ae2f266847c6f51ed","versionType":"git"},{"version":"8092aa3ab8f7b737a34b71f91492c676a843043a","status":"affected","lessThan":"7283b78ca07ce491984a63f6288f3f8de5bdcb22","versionType":"git"},{"version":"8092aa3ab8f7b737a34b71f91492c676a843043a","status":"affected","lessThan":"015e72cde567d2450e282c2790773463156b2d0a","versionType":"git"},{"version":"ea000e4b4ee5363997715531cb3d024b4e5d561c","status":"affected","versionType":"git"},{"version":"1686675405d07f35eae7ff3d13a530034b899df2","status":"affected","versionType":"git"},{"version":"5.15.165","status":"affected","lessThan":"5.15.224","versionType":"semver"},{"version":"6.1.105","status":"affected","lessThan":"6.1.191","versionType":"semver"},{"version":"6.6.46","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"5.10.258","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"6.10.5","status":"affected","lessThan":"6.11","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/amd/display/amdgpu_dm/amdgpu_dm.c"]}],"references":["https://git.kernel.org/stable/c/ed65678bb23a5f5040932960851ac39bdeafb765","https://git.kernel.org/stable/c/0b24f9d4e6e8ab64da8f2ae85bd1790d0f6a596f","https://git.kernel.org/stable/c/29302964ef583f3a57efc3c990bc0a71337bd3a4","https://git.kernel.org/stable/c/686baa1f4ec43b33e39e3d4b4a4539a91d17e883","https://git.kernel.org/stable/c/197946faa1b7968046ba475ae2f266847c6f51ed","https://git.kernel.org/stable/c/7283b78ca07ce491984a63f6288f3f8de5bdcb22","https://git.kernel.org/stable/c/015e72cde567d2450e282c2790773463156b2d0a"],"weaknesses":[],"ingestedAt":"2026-10-30T13:00:06.648Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98785.json","commit":"cb14bf1b43b0c9f05f7f40eae2246263fd430780","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98785","state":"PUBLISHED","datePublished":"2026-10-18T15:48:22.111Z","dateUpdated":"2026-10-30T12:39:49.489Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.370Z"},"containers":{"cna":{"title":"drm/amd/display: check dc_state_create_copy() for NULL in dm_suspend","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: check dc_state_create_copy() for NULL in dm_suspend\n\ndc_state_create_copy() can return NULL on allocation failure.\ndm_suspend() only conditionally skips dm_gpureset_toggle_interrupts()\nand continues execution, returning success.  dm_resume() then\ndereferences the NULL cached_dc_state in link_enc_cfg_copy() and the\nfollowing dc_state->stream_count loop, crashing during GPU reset\nrecovery.\n\nReturn -ENOMEM immediately if the copy fails, so the caller aborts\nsuspend instead of leaving a NULL cached state for resume.\n\n(cherry picked from commit 84b6d7932fdd2857795a257f9f258562a3cddcab)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0b8b23b9c2ebec693a36fea518d8f13493ad655","status":"affected","lessThan":"ed65678bb23a5f5040932960851ac39bdeafb765","versionType":"git"},{"version":"83c7f509ef087041604e9572938f82e18b724c9d","status":"affected","lessThan":"0b24f9d4e6e8ab64da8f2ae85bd1790d0f6a596f","versionType":"git"},{"version":"4cc2a94d96caeb3c975acdae7351c2f997c32175","status":"affected","lessThan":"29302964ef583f3a57efc3c990bc0a71337bd3a4","versionType":"git"},{"version":"8092aa3ab8f7b737a34b71f91492c676a843043a","status":"affected","lessThan":"686baa1f4ec43b33e39e3d4b4a4539a91d17e883","versionType":"git"},{"version":"8092aa3ab8f7b737a34b71f91492c676a843043a","status":"affected","lessThan":"197946faa1b7968046ba475ae2f266847c6f51ed","versionType":"git"},{"version":"8092aa3ab8f7b737a34b71f91492c676a843043a","status":"affected","lessThan":"7283b78ca07ce491984a63f6288f3f8de5bdcb22","versionType":"git"},{"version":"8092aa3ab8f7b737a34b71f91492c676a843043a","status":"affected","lessThan":"015e72cde567d2450e282c2790773463156b2d0a","versionType":"git"},{"version":"ea000e4b4ee5363997715531cb3d024b4e5d561c","status":"affected","versionType":"git"},{"version":"1686675405d07f35eae7ff3d13a530034b899df2","status":"affected","versionType":"git"},{"version":"5.15.165","status":"affected","lessThan":"5.15.224","versionType":"semver"},{"version":"6.1.105","status":"affected","lessThan":"6.1.191","versionType":"semver"},{"version":"6.6.46","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"5.10.258","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"6.10.5","status":"affected","lessThan":"6.11","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/amd/display/amdgpu_dm/amdgpu_dm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/ed65678bb23a5f5040932960851ac39bdeafb765"},{"url":"https://git.kernel.org/stable/c/0b24f9d4e6e8ab64da8f2ae85bd1790d0f6a596f"},{"url":"https://git.kernel.org/stable/c/29302964ef583f3a57efc3c990bc0a71337bd3a4"},{"url":"https://git.kernel.org/stable/c/686baa1f4ec43b33e39e3d4b4a4539a91d17e883"},{"url":"https://git.kernel.org/stable/c/197946faa1b7968046ba475ae2f266847c6f51ed"},{"url":"https://git.kernel.org/stable/c/7283b78ca07ce491984a63f6288f3f8de5bdcb22"},{"url":"https://git.kernel.org/stable/c/015e72cde567d2450e282c2790773463156b2d0a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:39:49.489Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.165","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.105","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.46","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}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