Use After Free Affecting qemu-kvm-common package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-RHEL7-QEMUKVMCOMMON-1357637
  • published26 Jul 2021
  • disclosed24 Nov 2016

Introduced: 24 Nov 2016

CVE-2016-9923  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 qemu-kvm-common.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-common package and not the qemu-kvm-common package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Quick Emulator (Qemu) built with the 'chardev' backend support is vulnerable to a use after free issue. It could occur while hotplug and unplugging the device in the guest. A guest user/process could use this flaw to crash a Qemu process on the host resulting in DoS.

CVSS Scores

version 3.1