SB2022112974 - Denial of service in Linux kernel IPsec



SB2022112974 - Denial of service in Linux kernel IPsec

Published: November 29, 2022

Security Bulletin ID SB2022112974
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2022-3629)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform DoS attack.

The vulnerability exists due memory leak within the vsock_connect() function in net/vmw_vsock/af_vsock.c in Linux kernel IPSec implementation. A local user can force the system to leak memory and perform denial of service attack.


Remediation

Install update from vendor's website.