SB20240530110 - Memory leak in Linux kernel cachefiles
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530110
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-2024-26840)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the kmem_cache_free() and cachefiles_daemon_unbind() functions in fs/cachefiles/bind.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/cb5466783793e66272624cf71925ae1d1ba32083
- https://git.kernel.org/stable/c/037d5a949b0455540ef9aab34c10ddf54b65d285
- https://git.kernel.org/stable/c/43eccc5823732ba6daab2511ed32dfc545a666d8
- https://git.kernel.org/stable/c/94965be37add0983672e48ecb33cdbda92b62579
- https://git.kernel.org/stable/c/8b218e2f0a27a9f09428b1847b4580640b9d1e58
- https://git.kernel.org/stable/c/38e921616320d159336b0ffadb09e9fb4945c7c3
- https://git.kernel.org/stable/c/9cac69912052a4def571fedf1cb9bb4ec590e25a
- https://git.kernel.org/stable/c/e21a2f17566cbd64926fb8f16323972f7a064444
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.309
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.212
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.151
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.271
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8