NULL Pointer Dereference Affecting qemu-guest-agent-debuginfo package, versions <17:7.0.0-13.el9


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.4% (33rd percentile)

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  • Snyk IDSNYK-ROCKY9-QEMUGUESTAGENTDEBUGINFO-3272603
  • 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:9 qemu-guest-agent-debuginfo to version 17:7.0.0-13.el9 or higher.
This issue was patched in RLSA-2022:7967.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-guest-agent-debuginfo package and not the qemu-guest-agent-debuginfo package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 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 Base Scores

version 3.1