{"id":"CVE-2024-49921","title":"drm/amd/display: Check null pointers before used","summary":"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 \"impli…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 692e9a20018da7aa225d8dced44803f9852aca81","Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 5b35bf1a82eb29841b67ff5643ba83762250fc24","Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < be1fb44389ca3038ad2430dac4234669bc177ee3","Linux 4.15"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-10-22T13:40:21.671812Z"},"published":"2024-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:35:23.236Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-49921","references":[{"url":"https://git.kernel.org/stable/c/692e9a20018da7aa225d8dced44803f9852aca81"},{"url":"https://git.kernel.org/stable/c/5b35bf1a82eb29841b67ff5643ba83762250fc24"},{"url":"https://git.kernel.org/stable/c/be1fb44389ca3038ad2430dac4234669bc177ee3"}],"tags":["cve.org"],"epss":0.00291,"epssPercentile":0.21488,"ingestedAt":"2026-10-21T12:48:53.728Z","slug":"CVE-2024-49921","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 692e9a20018da7aa225d8dced44803f9852aca81`\n- `Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 5b35bf1a82eb29841b67ff5643ba83762250fc24`\n- `Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < be1fb44389ca3038ad2430dac4234669bc177ee3`\n- `Linux 4.15`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}