Out-of-bounds Read Affecting virt:rhel/libvirt-daemon package, versions <0:6.0.0-28.1.module+el8.3.0+10448+0c705bc6


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-3974729
  • published26 Jul 2021
  • disclosed27 May 2020

Introduced: 27 May 2020

CVE-2021-20295  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:8 virt:rhel/libvirt-daemon to version 0:6.0.0-28.1.module+el8.3.0+10448+0c705bc6 or higher.
This issue was patched in RHSA-2021:1064.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/libvirt-daemon package and not the virt:rhel/libvirt-daemon package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 (https://access.redhat.com/errata/RHSA-2020:4676) erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in virt:rhel/qemu-kvm via erratum RHSA-2020:4059 (https://access.redhat.com/errata/RHSA-2020:4059). CVE-2021-20295 was assigned to that Red Hat specific security regression. For more details about the original security issue CVE-2020-10756, refer to bug 1835986 or the CVE page: https://access.redhat.com/security/cve/CVE-2020-10756.

CVSS Scores

version 3.1