Use After Free Affecting qemu-img package, versions <10:1.5.3-156.el7


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.56% (88th percentile)

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  • Snyk IDSNYK-RHEL7-QEMUIMG-4786741
  • published26 Jul 2021
  • disclosed3 Aug 2017

Introduced: 3 Aug 2017

CVE-2017-13711  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 qemu-img to version 10:1.5.3-156.el7 or higher.
This issue was patched in RHSA-2018:0816.

NVD Description

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

Use-after-free vulnerability in the sofree function in slirp/socket.c in QEMU (aka Quick Emulator) allows attackers to cause a denial of service (QEMU instance crash) by leveraging failure to properly clear ifq_so from pending packets.

CVSS Scores

version 3.1