{"id":"CVE-2023-53833","summary":"drm/i915: Fix NULL ptr deref by checking new_crtc_state","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: Fix NULL ptr deref by checking new_crtc_state\n\nintel_atomic_get_new_crtc_state can return NULL, unless crtc state wasn't\nobtained previously with intel_atomic_get_crtc_state, so we must check it\nfor NULLness here, just as in many other places, where we can't guarantee\nthat intel_atomic_get_crtc_state was called.\nWe are currently getting NULL ptr deref because of that, so this fix was\nconfirmed to help.\n\n(cherry picked from commit 1d5b09f8daf859247a1ea65b0d732a24d88980d8)","modified":"2026-04-02T09:45:22.584331Z","published":"2025-12-09T01:29:48.637Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0317-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53833.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/8b3c0d2d1685ba40b0af4ee1f8d8824a73870f88"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a41d985902c153c31c616fe183cf2ee331e95ecb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dbf25cc21beff4fd2e730573845a266504b21bb2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53833.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53833"},{"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":"74a75dc908692dd0548209004e53832c02433c0c"},{"fixed":"dbf25cc21beff4fd2e730573845a266504b21bb2"},{"fixed":"8b3c0d2d1685ba40b0af4ee1f8d8824a73870f88"},{"fixed":"a41d985902c153c31c616fe183cf2ee331e95ecb"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53833.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.30"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.3.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53833.json"}}],"schema_version":"1.7.5"}