SB20250227145 - Integer overflow in Linux kernel smb server
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250227145
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-2025-21748)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the ksmbd_ipc_spnego_authen_request(), ksmbd_rpc_write() and ksmbd_rpc_ioctl() functions in fs/smb/server/transport_ipc.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391e
- https://git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3
- https://git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45
- https://git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67
- https://git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.3