SB20260123100 - Memory leak in Linux kernel server mgmt
Published: January 23, 2026
Security Bulletin ID
SB20260123100
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-2025-71150)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ksmbd_session_lookup_all() function in fs/smb/server/mgmt/user_session.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/02e06785e85b4bd86ef3d23b7c8d87acc76773d5
- https://git.kernel.org/stable/c/0fb87b28cafae71e9c8248432cc3a6a1fd759efc
- https://git.kernel.org/stable/c/8cabcb4dd3dc85dd83a37d26efcc59a66a4074d7
- https://git.kernel.org/stable/c/cafb57f7bdd57abba87725eb4e82bbdca4959644
- https://git.kernel.org/stable/c/e54fb2a4772545701766cba08aab20de5eace8cd