SB2025061926 - Memory leak in Linux kernel cifs
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025061926
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-2022-50107)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the cifs_readahead() function in fs/cifs/file.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/7105b4047481bc2950fb767cff328d8b75292c0f
- https://git.kernel.org/stable/c/ae497726cd090673a4d20ac725ccc2de8067a7a5
- https://git.kernel.org/stable/c/c6f62f81b488d00afaa86bae26c6ce9ab12c709e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0