CVE-2023-1476 HIGH

CVE-2023-1476: Kpatch: mm/mremap.c: incomplete fix for cve-2022-41222

Vendor Red Hat
Product Red Hat Enterprise Linux 8
Weakness CWE-416
Published November 3, 2023
Last update February 27, 2025
View on NVD All CVEs

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.

Key dates

02Disclosure timeline

November 3, 2023 CVE published
February 27, 2025 Record updated