{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-49921","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-10-21T12:17:06.035Z","datePublished":"2024-10-21T18:01:47.112Z","dateUpdated":"2025-07-11T17:21:20.577Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-07-11T17:21:20.577Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check null pointers before used\n\n[WHAT & HOW]\nPoniters, such as dc->clk_mgr, are null checked previously in the same\nfunction, so Coverity warns \"implies that \"dc->clk_mgr\" might be null\".\nAs a result, these pointers need to be checked when used again.\n\nThis fixes 10 FORWARD_NULL issues reported by Coverity."}],"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/clk_mgr/dce110/dce110_clk_mgr.c","drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.c","drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.c","drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c","drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c","drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c","drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c","drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c"],"versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"5b35bf1a82eb29841b67ff5643ba83762250fc24","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"be1fb44389ca3038ad2430dac4234669bc177ee3","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/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c","drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.c","drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.c","drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c","drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c","drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c","drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c","drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"6.11.3","lessThanOrEqual":"6.11.*","status":"unaffected","versionType":"semver"},{"version":"6.12","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":"4.15","versionEndExcluding":"6.11.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.12"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5b35bf1a82eb29841b67ff5643ba83762250fc24"},{"url":"https://git.kernel.org/stable/c/be1fb44389ca3038ad2430dac4234669bc177ee3"}],"title":"drm/amd/display: Check null pointers before used","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-49921","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:40:21.671812Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-22T13:48:44.609Z"}}]}}