Race condition in Linux kernel - CVE-2023-32257

 

Race condition in Linux kernel - CVE-2023-32257

Published: September 6, 2023


Vulnerability identifier: #VU80494
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-32257
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition when handling SMB2_SESSION_SETUP and SMB2_LOGOFF commands. A remote attacker can send specially crafted data to the affected server, trigger a race condition and execute arbitrary code on the system.


How to mitigate CVE-2023-32257

Install updates from vendor's website.

Sources