6.5
Medium
CVE-2023-0459 Copy_from_user on 64-bit versions of the Linux kernel does not implement the __uaccess_begin_nospec allowing a user to…
Description
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
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Kernel | Versions not published |
References
- github.com github.com
- github.com github.com
Timeline
- Published
- Last modified
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