SB20260528168 - Memory leak in Linux kernel accel amdxdna driver



SB20260528168 - Memory leak in Linux kernel accel amdxdna driver

Published: May 28, 2026

Security Bulletin ID SB20260528168
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2026-45908)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a memory leak in amdxdna_ubuf_map() when handling buffer mapping operations. A local user can trigger error conditions during buffer mapping to cause a denial of service.


Remediation

Install update from vendor's website.