Out-of-bounds Read Affecting libvirt-daemon-driver-storage package, versions <0:6.0.0-35.1.module+el8.4.0+642+7e26f5e1


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ROCKY8-LIBVIRTDAEMONDRIVERSTORAGE-3289570
  • published5 Jan 2023
  • disclosed13 May 2021

Introduced: 13 May 2021

CVE-2021-20221  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 libvirt-daemon-driver-storage to version 0:6.0.0-35.1.module+el8.4.0+642+7e26f5e1 or higher.
This issue was patched in RLSA-2021:3061.

NVD Description

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

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to the said issue while updating controller state fields and their subsequent processing. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.

CVSS Scores

version 3.1