CVE-2023-6531 HIGH

CVE-2023-6531: Kernel: gc's deletion of an skb races with unix_stream_read_generic() leading to uaf

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-362
Published January 21, 2024
Last update November 6, 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 due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.

Key dates

02Disclosure timeline

January 21, 2024 CVE published
November 6, 2025 Record updated