SB20250402106 - Integer overflow in Linux kernel smb client
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250402106
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2025-21964)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the smb3_fs_context_parse_param() function in fs/smb/client/fs_context.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0252c33cc943e9e48ddfafaa6b1eb72adb68a099
- https://git.kernel.org/stable/c/5f500874ab9b3cc8c169c2ab49f00b838520b9c5
- https://git.kernel.org/stable/c/7489161b1852390b4413d57f2457cd40b34da6cc
- https://git.kernel.org/stable/c/833f2903eb8b70faca7967319e580e9ce69729fc
- https://git.kernel.org/stable/c/dd190168e60ac15408f074a1fe0ce36aff34027b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.132