SB2025032743 - Improper locking in Linux kernel i2c busses driver
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025032743
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 locking (CVE-ID: CVE-2025-21878)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the npcm_i2c_probe_bus() function in drivers/i2c/busses/i2c-npcm7xx.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/12d0e39916705b68d2d8ba20a8e35d1d27afc260
- https://git.kernel.org/stable/c/1b267e1b87d52b16e7dfcc7ab2ab760f6f8f9ca9
- https://git.kernel.org/stable/c/545b563eb00d0576775da4011b3f7ffefc9e8c60
- https://git.kernel.org/stable/c/846e371631c57365eeb89e5db1ab0f344169af93
- https://git.kernel.org/stable/c/dd1998e243f5fa25d348a384ba0b6c84d980f2b2
- https://git.kernel.org/stable/c/e3aea1dba97d31eceed7b622000af0406988b9c8
- https://git.kernel.org/stable/c/f32d7b4dc6e791523c70e83049645dcba2a2aa33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.235