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CVE

CWE

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CVE-2023-0458

Published: Apr 26, 2023

Modified: Feb 13, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commit 739790605705ddcf18f21782b9c99ad7d53a8c11

Vendor	Product	Versions
Linux	Linux Kernel	affected `0 - <= 6.1.8`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/kernel/sys.c?id=v6.1.8&id2=v6.1.7

https://github.com/torvalds/linux/commit/739790605705ddcf18f21782b9c99ad7d53a8c11

https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html

https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html

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