SB2019110734 - Input validation error in Linux kernel



SB2019110734 - Input validation error in Linux kernel

Published: November 7, 2019 Updated: July 17, 2020

Security Bulletin ID SB2019110734
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2010-2243)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

A vulnerability exists in kernel/time/clocksource.c in the Linux kernel before 2.6.34 where on non-GENERIC_TIME systems (GENERIC_TIME=n), accessing /sys/devices/system/clocksource/clocksource0/current_clocksource results in an OOPS.


Remediation

Install update from vendor's website.