** DISPUTED ** An issue was... CVE-2022-39842
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AU
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发布：
2022-09-05
修订：
2024-11-21
** DISPUTED ** 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.
漏洞利用/PoC
暂无可用Exp或PoC
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