{"id":"ASB-A-245928838","details":"In pxa3xx_gcu_write of pxa3xx-gcu.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-245928838","CVE-2022-39842"],"modified":"2026-03-11T06:23:22.491826Z","published":"2023-02-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-02-01"},{"type":"FIX","url":"https://android.googlesource.com/kernel/common/+/d75ef462c3dbd5bb52313e32d545c8be7f79049d"}],"affected":[{"package":{"name":":linux_kernel:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2023-02-05"}]}],"versions":["Kernel"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/kernel/common/+/d75ef462c3dbd5bb52313e32d545c8be7f79049d"],"vanir_signatures":[{"id":"ASB-A-245928838-1b73e1c7","deprecated":false,"digest":{"threshold":0.9,"line_hashes":["339433132012151685286574295282781045626","67425550053042035046497453310607171304","138461461625815462342316540010372912860","300345079700812837357462302303905371029"]},"signature_type":"Line","source":"https://android.googlesource.com/kernel/common/+/d75ef462c3dbd5bb52313e32d545c8be7f79049d","signature_version":"v1","target":{"file":"drivers/video/fbdev/pxa3xx-gcu.c"}}],"types":["EoP"],"spl":"2023-02-05","severity":"High"},"database_specific":{"source":"https://storage.googleapis.com/android-osv-test/ASB-A-245928838.json"}}],"schema_version":"1.7.5"}