Use After Free Affecting qemu-block-ssh package, versions <2.11.2-9.20.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-SLES150-QEMUBLOCKSSH-2754555
  • published14 Apr 2022
  • disclosed18 Feb 2019

Introduced: 18 Feb 2019

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

How to fix?

Upgrade SLES:15.0 qemu-block-ssh to version 2.11.2-9.20.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-block-ssh package and not the qemu-block-ssh package as distributed by SLES. See How to fix? for SLES:15.0 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