SB2025061934 - Memory leak in Linux kernel watchdog driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025061934
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) Memory leak (CVE-ID: CVE-2022-50110)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the iounmap() function in drivers/watchdog/sp5100_tco.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/3a1becb1f13268ef58f19190608a7c742fb6fcf5
- https://git.kernel.org/stable/c/84ddf527f90755beec6b55ce2e31331f5ccd4e37
- https://git.kernel.org/stable/c/c6d9c0798ed366a09a9e53d71edcd2266e34a6eb
- https://git.kernel.org/stable/c/ee1fb8f75abe361413913e3a6e93c8c0a4d83cd9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2