SB20250226485 - Improper locking in Linux kernel base driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226485
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-2022-49379)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the DEFINE_SHOW_ATTRIBUTE(), deferred_probe_timeout_work_func() and driver_probe_done() functions in drivers/base/dd.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/29357883a89193863f3cc6a2c5e0b42ceb022761
- https://git.kernel.org/stable/c/4ad6af07efcca85369c21e4897b3020cff2c170b
- https://git.kernel.org/stable/c/528229474e1cbb1b3451cb713d94aecb5f6ee264
- https://git.kernel.org/stable/c/5ee76c256e928455212ab759c51d198fedbe7523
- https://git.kernel.org/stable/c/71cbce75031aed26c72c2dc8a83111d181685f1b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.122