SB2025070546 - Improper error handling in Linux kernel fbdev core driver
Published: July 5, 2025
Security Bulletin ID
SB2025070546
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) Improper error handling (CVE-ID: CVE-2025-38214)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the fb_set_var() function in drivers/video/fbdev/core/fbmem.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/05f6e183879d9785a3cdf2f08a498bc31b7a20aa
- https://git.kernel.org/stable/c/1a10d91766eb6ddfd5414e4785611e33a4fe0f9b
- https://git.kernel.org/stable/c/3ca78032a388a0795201792b36e6fc9b6e6e8eed
- https://git.kernel.org/stable/c/8a3a2887794b2c8e78b3e5d6e3de724527c9f41b
- https://git.kernel.org/stable/c/b3071bb463ea1e6c686d0dc9638fc940f2f5cf17
- https://git.kernel.org/stable/c/ee20216f12d9482cd70e44dae5e7fabb38367c71
- https://git.kernel.org/stable/c/fab201d72fde38d081e2c5d4ad25595c535b7b22
- https://git.kernel.org/stable/c/ff0e037241173b574b385bff53d67567b9816db5