{"id":"CVE-2024-49907","state":"PUBLISHED","title":"drm/amd/display: Check null pointers before using dc->clk_mgr","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check null pointers before using dc->clk_mgr\n\n[WHY & HOW]\ndc->clk_mgr is null checked previously in the same function, indicating\nit might be null.\n\nPassing \"dc\" to \"dc->hwss.apply_idle_power_optimizations\", which\ndereferences null \"dc->clk_mgr\". (The function pointer resolves to\n\"dcn35_apply_idle_power_optimizations\".)\n\nThis fixes 1 FORWARD_NULL issue reported by Coverity.","publishedAt":"2024-10-21T18:01:37.452Z","updatedAt":"2026-05-11T20:41:35.077Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"8d54001f8dccd56146973f23f3ab2ba037a21251","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"a545a9403e04c6e17fdc04a26a61d9feebbba106","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"a2773e0a4b79e7a6463abdffaf8cc4f24428ba18","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"9641bc4adf8446034e490ed543ae7e9833cfbdf5","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"3f7e533c10db3d0158709a99e2129ff63add6bcd","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"5ba3fbf75b243b2863a8be9e7c393e003d3b88f3","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"95d9e0803e51d5a24276b7643b244c7477daf463","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/core/dc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"5.10.227","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.168","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.113","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.55","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.14","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.3","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","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/dc/core/dc.c"]}],"references":["https://git.kernel.org/stable/c/8d54001f8dccd56146973f23f3ab2ba037a21251","https://git.kernel.org/stable/c/a545a9403e04c6e17fdc04a26a61d9feebbba106","https://git.kernel.org/stable/c/a2773e0a4b79e7a6463abdffaf8cc4f24428ba18","https://git.kernel.org/stable/c/9641bc4adf8446034e490ed543ae7e9833cfbdf5","https://git.kernel.org/stable/c/3f7e533c10db3d0158709a99e2129ff63add6bcd","https://git.kernel.org/stable/c/5ba3fbf75b243b2863a8be9e7c393e003d3b88f3","https://git.kernel.org/stable/c/95d9e0803e51d5a24276b7643b244c7477daf463","https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/49xxx/CVE-2024-49907.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-49907","state":"PUBLISHED","datePublished":"2024-10-21T18:01:37.452Z","dateUpdated":"2026-05-11T20:41:35.077Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-10-21T12:17:06.027Z"},"containers":{"cna":{"title":"drm/amd/display: Check null pointers before using dc->clk_mgr","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check null pointers before using dc->clk_mgr\n\n[WHY & HOW]\ndc->clk_mgr is null checked previously in the same function, indicating\nit might be null.\n\nPassing \"dc\" to \"dc->hwss.apply_idle_power_optimizations\", which\ndereferences null \"dc->clk_mgr\". (The function pointer resolves to\n\"dcn35_apply_idle_power_optimizations\".)\n\nThis fixes 1 FORWARD_NULL issue reported by Coverity."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"8d54001f8dccd56146973f23f3ab2ba037a21251","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"a545a9403e04c6e17fdc04a26a61d9feebbba106","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"a2773e0a4b79e7a6463abdffaf8cc4f24428ba18","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"9641bc4adf8446034e490ed543ae7e9833cfbdf5","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"3f7e533c10db3d0158709a99e2129ff63add6bcd","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"5ba3fbf75b243b2863a8be9e7c393e003d3b88f3","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"95d9e0803e51d5a24276b7643b244c7477daf463","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/core/dc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"5.10.227","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.168","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.113","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.55","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.14","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.3","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","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/dc/core/dc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8d54001f8dccd56146973f23f3ab2ba037a21251"},{"url":"https://git.kernel.org/stable/c/a545a9403e04c6e17fdc04a26a61d9feebbba106"},{"url":"https://git.kernel.org/stable/c/a2773e0a4b79e7a6463abdffaf8cc4f24428ba18"},{"url":"https://git.kernel.org/stable/c/9641bc4adf8446034e490ed543ae7e9833cfbdf5"},{"url":"https://git.kernel.org/stable/c/3f7e533c10db3d0158709a99e2129ff63add6bcd"},{"url":"https://git.kernel.org/stable/c/5ba3fbf75b243b2863a8be9e7c393e003d3b88f3"},{"url":"https://git.kernel.org/stable/c/95d9e0803e51d5a24276b7643b244c7477daf463"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:41:35.077Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.227"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.6.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.10.14"},{"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-49907","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:42:07.340526Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-22T13:48:46.691Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T22:23:08.742Z"}}]}}}