NULL Pointer Dereference Affecting ruby-libguestfs-debuginfo package, versions <1:1.44.0-5.module+el8.6.0+1052+ff61d164.rocky


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-ROCKY8-RUBYLIBGUESTFSDEBUGINFO-3221473
  • published5 Jan 2023
  • disclosed24 Aug 2022

Introduced: 24 Aug 2022

CVE-2021-4158  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 ruby-libguestfs-debuginfo to version 1:1.44.0-5.module+el8.6.0+1052+ff61d164.rocky or higher.
This issue was patched in RLSA-2022:1759.

NVD Description

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

A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

CVSS Scores

version 3.1