SB20260528234 - NULL pointer dereference in Linux kernel accel amdxdna driver



SB20260528234 - NULL pointer dereference in Linux kernel accel amdxdna driver

Published: May 28, 2026

Security Bulletin ID SB20260528234
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2025-71308)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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 NULL pointer dereference in aie_destroy_context() when handling an error path after mailbox channel creation fails. A local user can trigger context creation failure to cause a denial of service.

The issue occurs during context cleanup in aie2_create_context().


Remediation

Install update from vendor's website.