SB2023041350 - Local denial of service in Linux Kernel netdevsim



SB2023041350 - Local denial of service in Linux Kernel netdevsim

Published: April 13, 2023

Security Bulletin ID SB2023041350
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper update of reference count (CVE-ID: CVE-2023-2019)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper update of reference count within the scheduling of events in drivers/net/netdevsim/fib.c. A local privileged user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.