{"id":"CVE-2024-26647","summary":"drm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()'","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()'\n\nIn link_set_dsc_pps_packet(), 'struct display_stream_compressor *dsc'\nwas dereferenced in a DC_LOGGER_INIT(dsc-\u003ectx-\u003elogger); before the 'dsc'\nNULL pointer check.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() warn: variable dereferenced before check 'dsc' (see line 903)","modified":"2026-03-20T12:35:06.209491Z","published":"2024-03-26T17:50:01.057Z","related":["USN-6818-2","USN-6819-2"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26647.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3bb9b1f958c3d986ed90a3ff009f1e77e9553207"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6aa5ede6665122f4c8abce3c6eba06b49e54d25c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cf656fc7276e5b3709a81bc9d9639459be2b2647"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26647.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26647"},{"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":"6ca7415f11af5200ab10bd420b513f846e9bfb99"},{"fixed":"6aa5ede6665122f4c8abce3c6eba06b49e54d25c"},{"fixed":"cf656fc7276e5b3709a81bc9d9639459be2b2647"},{"fixed":"3bb9b1f958c3d986ed90a3ff009f1e77e9553207"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-26647.json"}}],"schema_version":"1.7.5"}