SB2013121406 - Input validation error in Linux kernel



SB2013121406 - Input validation error in Linux kernel

Published: December 14, 2013 Updated: August 10, 2020

Security Bulletin ID SB2013121406
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
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-2013-6367)

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

The apic_get_tmcct function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via crafted modifications of the TMICT value.


Remediation

Install update from vendor's website.