SB2024061059 - Memory leak in Linux kernel mm
Published: June 10, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061059
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-2021-47466)
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_open() function in mm/slub.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/4f5d1c29cfab5cb0ab885059818751bdef32e2bb
- https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930
- https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f
- https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.156