{"id":"CVE-2024-26662","revision":"866db7754bbe495d9f6306c9d03fff79","records":[{"revision":"866db7754bbe495d9f6306c9d03fff79","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-26662","aliases":[],"title":"drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()'","description":"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)","state":0,"publishedAt":"2024-04-02T06:22:11.715+00:00","modifiedAt":"2026-05-11T20:01:45.665+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"474ac4a875ca6fea3fc5183d3ad22ef7523dca53\",\n                            \"lessThan\": \"2e150ccea13129eb048679114808eb9770443e4d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"474ac4a875ca6fea3fc5183d3ad22ef7523dca53\",\n                            \"lessThan\": \"0c863cab0e9173f8b6c7bc328bee3b8625f131b5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"474ac4a875ca6fea3fc5183d3ad22ef7523dca53\",\n                            \"lessThan\": \"e96fddb32931d007db12b1fce9b5e8e4c080401b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.17\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.7.5\",\n                            \"lessThanOrEqual\": \"6.7.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.8\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4d","https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5","https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-26662","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-26662","identifiers":["CVE-2024-26662"]},"retained":false,"historicalAffected":[]}],"coverage":[]}