SB2025122629 - Memory leak in Linux kernel kcm
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB2025122629
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-2023-54112)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the kcm_sendmsg() function in net/kcm/kcmsock.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/16989de75497574b5fafd174c0c233d5a86858b7
- https://git.kernel.org/stable/c/33db24ad811b3576a0c2f8862506763f2be925b0
- https://git.kernel.org/stable/c/479c71cda14b3c3a6515773faa39055333eaa2b7
- https://git.kernel.org/stable/c/5e5554389397e98fafb9efe395d8b4830dd5f042
- https://git.kernel.org/stable/c/8dc7eb757b1652b82725f32e0c89a1e9f6c0e13b
- https://git.kernel.org/stable/c/97275339c34cfbccd65e87bc38fd910ae66c48ba
- https://git.kernel.org/stable/c/af8085e0fc3207ecbf8b9e7a635c790e36d058c6
- https://git.kernel.org/stable/c/c821a88bd720b0046433173185fd841a100d44ad
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.326
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.295
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.195
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.257
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6