Exploit Report

Computer Security And Bug Information

CVE-2023-0459

CVECVE-2023-0459
CVE Title
Published Date2023-05-25T14:15Z
Modified Date2023-06-01T16:45Z
CWE TypeCWE-763
CVSS 3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
DescriptionCopy_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
References
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Reference URLhttps://github.com/torvalds/linux/commit/4b842e4e25b12951fa10dedb4bc16bc47e3b850c
Reference DescriptionMISC https://github.com/torvalds/linux/commit/4b842e4e25b12951fa10dedb4bc16bc47e3b850c
Reference URLhttps://github.com/torvalds/linux/commit/74e19ef0ff8061ef55957c3abd71614ef0f42f47
Reference DescriptionMISC https://github.com/torvalds/linux/commit/74e19ef0ff8061ef55957c3abd71614ef0f42f47
TagsPatch
Sources NIST MITRE

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