Loop with Unreachable Exit Condition ('Infinite Loop') Affecting qemu-x86 package, versions <6.2.0-150400.37.14.2


Severity

Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-SLES154-QEMUX86-3370324
  • published24 Mar 2023
  • disclosed23 Mar 2023

Introduced: 23 Mar 2023

CVE-2020-14394  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 qemu-x86 to version 6.2.0-150400.37.14.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-x86 package and not the qemu-x86 package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.

CVSS Scores

version 3.1