SB2025120883 - Out-of-bounds read in Linux kernel drm vmwgfx driver
Published: December 8, 2025
Security Bulletin ID
SB2025120883
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 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2025-40277)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the vmw_cmd_check() function in drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af
- https://git.kernel.org/stable/c/54d458b244893e47bda52ec3943fdfbc8d7d068b
- https://git.kernel.org/stable/c/5aea2cde03d4247cdcf53f9ab7d0747c9dca1cfc
- https://git.kernel.org/stable/c/709e5c088f9c99a5cf2c1d1c6ce58f2cca7ab173
- https://git.kernel.org/stable/c/a3abb54c27b2c393c44362399777ad2f6e1ff17e
- https://git.kernel.org/stable/c/b5df9e06eed3df6a4f5c6f8453013b0cabb927b4
- https://git.kernel.org/stable/c/e58559845021c3bad5e094219378b869157fad53
- https://git.kernel.org/stable/c/f3f3a8eb3f0ba799fae057091d8c67cca12d6fa0