SB2025091701 - Memory leak in Linux kernel cifs
Published: September 17, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091701
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-2022-50351)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the cifs_create() function in fs/cifs/dir.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/593d877c39aa9f3fe1a4b5b022492886d7d700ec
- https://git.kernel.org/stable/c/92aa09c86ef297976a3c27c6574c0839418dc2c4
- https://git.kernel.org/stable/c/fee0fb1f15054bb6a0ede452acb42da5bef4d587
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1