SB2016020806 - Division by zero in Linux kernel x86 kvm

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Main Vulnerability Database SB2016020806

SB2016020806 - Division by zero in Linux kernel x86 kvm

Published: February 8, 2016

Security Bulletin ID SB2016020806
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) Division by zero (CVE-ID: CVE-2015-7513)

The vulnerability allows a local user to a crash the entire system.

The vulnerability exists due to a division by zero error within the kvm_vm_ioctl_get_pit(), kvm_vm_ioctl_get_pit2() and kvm_vm_ioctl_set_pit2() functions in arch/x86/kvm/x86.c. A local user can a crash the entire system.


Remediation

Install update from vendor's website.

References