{"id":"CVE-2024-26648","state":"PUBLISHED","title":"drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()\n\nIn edp_setup_replay(), 'struct dc *dc' & 'struct dmub_replay *replay'\nwas dereferenced before the pointer 'link' & 'replay' NULL check.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check 'link' (see line 933)","publishedAt":"2024-03-26T17:50:01.635Z","updatedAt":"2026-05-11T20:01:28.899Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11","status":"affected","lessThan":"22ae604aea14756954e1c00ae653e34d2afd2935","versionType":"git"},{"version":"c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11","status":"affected","lessThan":"c02d257c654191ecda1dc1af6875d527e85310e7","versionType":"git"},{"version":"c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11","status":"affected","lessThan":"7073934f5d73f8b53308963cee36f0d389ea857c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.15","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.3","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c"]}],"references":["https://git.kernel.org/stable/c/22ae604aea14756954e1c00ae653e34d2afd2935","https://git.kernel.org/stable/c/c02d257c654191ecda1dc1af6875d527e85310e7","https://git.kernel.org/stable/c/7073934f5d73f8b53308963cee36f0d389ea857c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/26xxx/CVE-2024-26648.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-26648","state":"PUBLISHED","datePublished":"2024-03-26T17:50:01.635Z","dateUpdated":"2026-05-11T20:01:28.899Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-19T14:20:24.138Z"},"containers":{"cna":{"title":"drm/amd/display: 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