NULL Pointer Dereference Affecting nbdkit-xz-filter package, versions <0:1.16.2-4.0.1.module+el8.5.0+20482+a450964e


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-ORACLE8-NBDKITXZFILTER-2605042
  • published10 Apr 2022
  • disclosed24 Aug 2022

Introduced: 10 Apr 2022

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

How to fix?

Upgrade Oracle:8 nbdkit-xz-filter to version 0:1.16.2-4.0.1.module+el8.5.0+20482+a450964e or higher.
This issue was patched in ELSA-2022-9172.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nbdkit-xz-filter package and not the nbdkit-xz-filter package as distributed by Oracle. See How to fix? for Oracle: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