SB20260812279 - Improper input validation in Linux kernel amd amdkfd driver
Published: August 12, 2026
Security Bulletin ID
SB20260812279
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2026-68258)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.8 [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]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in kfd CRIU restore queue handling when processing user-supplied private restore data. A local user can provide an out-of-bounds queue type or mismatched mqd_size values to cause a denial of service.
Exploitation requires access to the CRIU restore functionality in the amdkfd subsystem.
Remediation
Install update from vendor's website.