Use After Free Affecting qemu-img package, versions <12:2.9.0-19.el7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-ORACLE7-QEMUIMG-2544881
  • published10 Apr 2022
  • disclosed13 Dec 2018

Introduced: 13 Dec 2018

CVE-2018-19364  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 qemu-img to version 12:2.9.0-19.el7 or higher.
This issue was patched in ELSA-2019-4520.

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 Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

hw/9pfs/cofile.c and hw/9pfs/9p.c in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome.

CVSS Scores

version 3.1