SB20260924100 - Out-of-bounds write in Linux kernel amd amdkfd driver
Published: September 24, 2026
Security Bulletin ID
SB20260924100
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2026-97495)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform an out-of-bounds write.
The vulnerability exists due to improper bounds checking in the allocate_doorbell function when specifying a doorbell ID for restoration. A local user can provide a doorbell ID that exceeds the maximum number of queues per process to perform an out-of-bounds write.
The specific doorbell ID option is used by CRIU.
Remediation
Install update from vendor's website.