{"id":"CVE-2024-26662","summary":"drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()'","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()'\n\n'panel_cntl' structure used to control the display panel could be null,\ndereferencing it could lead to a null pointer access.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn21/dcn21_hwseq.c:269 dcn21_set_backlight_level() error: we previously assumed 'panel_cntl' could be null (see line 250)","modified":"2026-04-02T10:05:16.808674Z","published":"2024-04-02T06:22:11.715Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26662.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26662.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26662"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"474ac4a875ca6fea3fc5183d3ad22ef7523dca53"},{"fixed":"2e150ccea13129eb048679114808eb9770443e4d"},{"fixed":"0c863cab0e9173f8b6c7bc328bee3b8625f131b5"},{"fixed":"e96fddb32931d007db12b1fce9b5e8e4c080401b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26662.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}