SB20251208111 - Improper error handling in Linux kernel base regmap driver
Published: December 8, 2025
Security Bulletin ID
SB20251208111
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-2025-40317)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the __regmap_init_slimbus() and __devm_regmap_init_slimbus() functions in drivers/base/regmap/regmap-slimbus.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/02d3041caaa3fe4dd69e5a8afd1ac6b918ddc6a1
- https://git.kernel.org/stable/c/2664bfd8969d1c43dcbe3ea313f130dfa6b74f4c
- https://git.kernel.org/stable/c/434f7349a1f00618a620b316f091bd13a12bc8d2
- https://git.kernel.org/stable/c/8143e4075d131c528540417a51966f6697be14eb
- https://git.kernel.org/stable/c/a16e92f8d7dc7371e68f17a9926cb92d2244be7b
- https://git.kernel.org/stable/c/b65f3303349eaee333e47d2a99045aa12fa0c3a7
- https://git.kernel.org/stable/c/c0f05129e5734ff3fd14b2c242709314d9ca5433
- https://git.kernel.org/stable/c/d979639f099c6e51f06ce4dd8d8e56364d6c17ba