SB2017061631 - Memory leak in qemu (Alpine package)



SB2017061631 - Memory leak in qemu (Alpine package)

Published: June 16, 2017

Security Bulletin ID SB2017061631
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local 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) Memory leak (CVE-ID: CVE-2017-5579)

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

The vulnerability exists due to memory leak within the serial_exit_core function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations. A remote attacker can perform a denial of service attack.


Remediation

Install update from vendor's website.