SB2024111121 - Race condition in Linux Kernel ksmbd
Published: November 11, 2024
Security Bulletin ID
SB2024111121
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: N/A)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote user to execute arbitrary code on the system.
The vulnerability exists due to a race condition within session setup and logoff implementation in ksmbd. A remote authenticated user can exploit the race and execute arbitrary code on the system.
Remediation
Install update from vendor's website.