SB2026092516 - Missing Authorization in Linux kernel amd amdkfd driver
Published: September 25, 2026
Security Bulletin ID
SB2026092516
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Authorization (CVE-ID: CVE-2026-97422)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to disclose information about GPU workloads.
The vulnerability exists due to improper authorization in the AMDKFD KFD SMI event handling when emitting PROCESS_START, PROCESS_END, and VMFAULT events with a process ID of zero. A local user can monitor GPU workloads to disclose information about GPU workloads.
The disclosed event data includes another process's PID and command name.
Remediation
Install update from vendor's website.