Memory Leak Affecting libvirt-daemon-driver-lxc package, versions <0:5.7.0-15.el7


Severity

Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.19% (58th percentile)

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  • Snyk ID SNYK-ORACLE7-LIBVIRTDAEMONDRIVERLXC-2575589
  • published 10 Apr 2022
  • disclosed 28 Apr 2020

How to fix?

Upgrade Oracle:7 libvirt-daemon-driver-lxc to version 0:5.7.0-15.el7 or higher.
This issue was patched in ELSA-2020-5719.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-lxc package and not the libvirt-daemon-driver-lxc package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

An issue was discovered in qemuDomainGetStatsIOThread in qemu/qemu_driver.c in libvirt 4.10.0 though 6.x before 6.1.0. A memory leak was found in the virDomainListGetStats libvirt API that is responsible for retrieving domain statistics when managing QEMU guests. This flaw allows unprivileged users with a read-only connection to cause a memory leak in the domstats command, resulting in a potential denial of service.

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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SUSE

4.3 medium
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Red Hat

6.5 medium