SB2025122623 - Memory leak in Linux kernel autofs4
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB2025122623
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-2023-54134)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the autofs4_catatonic_mode() function in fs/autofs4/waitq.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/1985e8eae8627f02e3364690c5fed7af1c46be55
- https://git.kernel.org/stable/c/6079dc77c6f32936e8a6766ee8334ae3c99f4504
- https://git.kernel.org/stable/c/696b625f3f85d80fca48c24d2948fbc451e74366
- https://git.kernel.org/stable/c/69ddafc7a7afd8401bab53eff5af813fa0d368a2
- https://git.kernel.org/stable/c/71eeddcad7342292c19042c290c477697acaccab
- https://git.kernel.org/stable/c/726deae613bc1b6096ad3b61cc1e63e33330fbc2
- https://git.kernel.org/stable/c/976abbdc120a97049b9133e60fa7b29627d11de4
- https://git.kernel.org/stable/c/ccbe77f7e45dfb4420f7f531b650c00c6e9c7507
- 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-5.10.197
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.133
- 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-6.1.55
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6