CVE-2023-54082
kernel: Kernel: Denial of Service due to use-after-free in unix_stream_sendpage()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 24, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel. A local user could exploit a race condition in the unix_stream_sendpage() function, which fails to properly lock the peer's receive queue. This oversight allows for a use-after-free vulnerability, potentially leading to a system crash and resulting in a Denial of Service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference