SB2016123021 - Out-of-bounds read in QEMU

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Main Vulnerability Database SB2016123021

SB2016123021 - Out-of-bounds read in QEMU

Published: December 30, 2016 Updated: August 9, 2020

Security Bulletin ID SB2016123021
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) Out-of-bounds read (CVE-ID: CVE-2015-8817)

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

QEMU (aka Quick Emulator) built to use 'address_space_translate' to map an address to a MemoryRegionSection is vulnerable to an OOB r/w access issue. It could occur while doing pci_dma_read/write calls. Affects QEMU versions >= 1.6.0 and <= 2.3.1. A privileged user inside guest could use this flaw to crash the guest instance resulting in DoS.


Remediation

Install update from vendor's website.

References