SB2026092518 - Out-of-bounds write in Linux kernel amd amdgpu driver
Published: September 25, 2026
Security Bulletin ID
SB2026092518
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) Out-of-bounds write (CVE-ID: CVE-2026-97425)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a buffer overflow.
The vulnerability exists due to improper bounds checking in the psp_vbflash sysfs binary attribute when writing vBIOS update data. A local user can write data beyond the maximum vBIOS buffer size to cause a buffer overflow.
Remediation
Install update from vendor's website.