Race Condition Affecting libguestfs-winsupport package, versions <0:8.9-1.module+el8.9.0+19846+58c50e4e


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-CENTOS8-LIBGUESTFSWINSUPPORT-6059263
  • published15 Nov 2023
  • disclosed19 Jun 2023

Introduced: 19 Jun 2023

CVE-2023-3301  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade Centos:8 libguestfs-winsupport to version 0:8.9-1.module+el8.9.0+19846+58c50e4e or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libguestfs-winsupport package and not the libguestfs-winsupport package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.

CVSS Scores

version 3.1