ID:8351 - Exploit for Integer underflow in Linux kernel - CVE-2022-2639

 
Main Vulnerability Database Exploits ID:8351 - Exploit for Integer underflow in Linux kernel - CVE-2022-2639

ID:8351 - Exploit for Integer underflow in Linux kernel - CVE-2022-2639

Published: September 7, 2022


Vulnerability identifier: #VU66812
Vulnerability risk: Low
CVE-ID: CVE-2022-2639
CWE-ID: CWE-191
Exploitation vector: Local access
Vulnerable software:
Linux kernel

Link to public exploit:


Vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer underflow within the reserve_sfa_size() function in the openvswitch kernel module in Linux kernel. A local user can trigger an out-of-bounds read error and crash the system or escalate privileges.



Remediation

Install updates from vendor's website.