SB2025022650 - Memory leak in Linux kernel
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022650
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-2022-49256)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the free_watch() function in kernel/watch_queue.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/31824613a42aacdcbeb325bf07a1c8247a11ebe2
- https://git.kernel.org/stable/c/3d8dcf278b1ee1eff1e90be848fa2237db4c07a7
- https://git.kernel.org/stable/c/7e8c9b0df07a77f0d072603b8ced2677e30e1893
- https://git.kernel.org/stable/c/9d92be1a09fbb3dd65600dbfe7eedb40e7228e4b
- https://git.kernel.org/stable/c/f69aecb49968e14196366bbe896eab0a904229f5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33