CVE-2022-39842 - CERT CVE
ID CVE-2022-39842
Sažetak An issue was discovered in the Linux kernel before 5.19. In pxa3xx_gcu_write in drivers/video/fbdev/pxa3xx-gcu.c, the count parameter has a type conflict of size_t versus int, causing an integer overflow and bypassing the size check. After that, because it is used as the third argument to copy_from_user(), a heap overflow may occur. NOTE: the original discoverer disputes that the overflow can actually happen.
Reference
CVSS
Base: 6.1
Impact: 4.2
Exploitability:1.8
Pristup
VektorSloženostAutentikacija
LOCAL LOW LOW
Impact
PovjerljivostCjelovitostDostupnost
NONE LOW HIGH
CVSS vektor CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Zadnje važnije ažuriranje 03-08-2024 - 12:15
Objavljeno 05-09-2022 - 07:15