SB20250422188 - Input validation error in Linux kernel smb server
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250422188
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) Input validation error (CVE-ID: CVE-2025-22043)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the parse_durable_handle_context() function in fs/smb/server/smb2pdu.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/1107b9ed92194603593c51829a3887812ae9e806
- https://git.kernel.org/stable/c/29b946714d6aa77de54c71243bba39469ac43ef2
- https://git.kernel.org/stable/c/542027e123fc0bfd61dd59e21ae0ee4ef2101b29
- https://git.kernel.org/stable/c/8d4848c45943c9cf5e86142fd7347efa97f497db
- https://git.kernel.org/stable/c/f0db3d9d416e332a0d6f045a1509539d3a4cd898
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2