Reachable Assertion Affecting libguestfs-tools-c package, versions <1:1.40.2-27.0.1.module+el8.4.0+20093+03a97712


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ORACLE8-LIBGUESTFSTOOLSC-2581804
  • published10 Apr 2022
  • disclosed11 Aug 2020

Introduced: 11 Aug 2020

CVE-2020-16092  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade Oracle:8 libguestfs-tools-c to version 1:1.40.2-27.0.1.module+el8.4.0+20093+03a97712 or higher.
This issue was patched in ELSA-2021-1762.

NVD Description

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

In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service condition in net_tx_pkt_add_raw_fragment in hw/net/net_tx_pkt.c.

CVSS Scores

version 3.1