SB2025091845 - Memory leak in Linux kernel cifs
Published: September 18, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091845
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-2022-50372)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the SMB2_sess_auth_rawntlmssp_negotiate() function in fs/cifs/smb2pdu.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.