{"id":"CVE-2024-49920","title":"drm/amd/display: Check null pointers before multiple uses","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check null pointers before multiple uses\n\n[WHAT & HOW]\nPoniters, such as stream_enc and dc->bw_vbios, are null checked previously\nin the same function,…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 4f51f6d23c5856f105110531f81d84e78e462005","Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27","Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < fdd5ecbbff751c3b9061d8ebb08e5c96119915b4","Linux 4.15"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-10-22T13:40:29.310714Z"},"published":"2024-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:35:22.119Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-49920","references":[{"url":"https://git.kernel.org/stable/c/4f51f6d23c5856f105110531f81d84e78e462005"},{"url":"https://git.kernel.org/stable/c/26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27"},{"url":"https://git.kernel.org/stable/c/fdd5ecbbff751c3b9061d8ebb08e5c96119915b4"}],"tags":["cve.org"],"epss":0.00298,"epssPercentile":0.22314,"ingestedAt":"2026-10-21T12:48:53.729Z","slug":"CVE-2024-49920","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check null pointers before multiple uses\n\n[WHAT & HOW]\nPoniters, such as stream_enc and dc->bw_vbios, are null checked previously\nin the same function, so Coverity warns \"implies that stream_enc and\ndc->bw_vbios might be null\". They are used multiple times in the\nsubsequent code and need to be checked.\n\nThis fixes 10 FORWARD_NULL issues reported by Coverity.\n\n## Affected\n\n- `Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 4f51f6d23c5856f105110531f81d84e78e462005`\n- `Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27`\n- `Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < fdd5ecbbff751c3b9061d8ebb08e5c96119915b4`\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":[]}