Copy_from_user on 64-bit versions of... CVE-2023-0459
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发布：
2023-05-25
修订：
2023-06-06
Copy_from_user on 64-bit versions of the Linux kernel does not implement the __uaccess_begin_nospec allowing a user to bypass the "access_ok" check and pass a kernel pointer to copy_from_user(). This would allow an attacker to leak information. We recommend upgrading beyond commit 74e19ef0ff8061ef55957c3abd71614ef0f42f47
漏洞利用/PoC
暂无可用Exp或PoC
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