CVE-2023-0459 (linux_kernel) | allinfosecnews.com

May 25, 2023, 2:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

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 commitÂ 74e19ef0ff8061ef55957c3abd71614ef0f42f47

64-bit beyond bypass check cve information kernel leak linux linux kernel

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