CVE-2023-0458 MEDIUM

CVE-2023-0458: Spectre V1 Gadget in do_prlimit in the Linux Kernel

Vendor Linux
Product Linux Kernel
Weakness CWE-476
Published April 26, 2023
Last update February 13, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

April 26, 2023 CVE published
February 13, 2025 Record updated