MGASA-2020-0283 - Updated libvirt packages fix security vulnerability

Publication date: 06 Jul 2020
URL: https://advisories.mageia.org/MGASA-2020-0283.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2019-20485

Updated libvirt packages fix security vulnerability:

A flaw was found in the way the libvirtd daemon issued the 'suspend'
command to a QEMU guest-agent running inside a guest, where it holds
a monitor job while issuing the 'suspend' command to a guest-agent.
A malicious guest-agent may use this flaw to block the libvirt daemon
indefinitely, resulting in a denial of service (CVE-2019-20485).

References:
- https://bugs.mageia.org/show_bug.cgi?id=26816
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/D5GE6ISYUL3CIWO3FQRUGMKTKP2NYED2/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20485

SRPMS:
- 7/core/libvirt-5.5.0-1.2.mga7

Mageia 2020-0283: libvirt security update

Updated libvirt packages fix security vulnerability: A flaw was found in the way the libvirtd daemon issued the 'suspend' command to a QEMU guest-agent running inside a guest, whe...

Summary

Updated libvirt packages fix security vulnerability:
A flaw was found in the way the libvirtd daemon issued the 'suspend' command to a QEMU guest-agent running inside a guest, where it holds a monitor job while issuing the 'suspend' command to a guest-agent. A malicious guest-agent may use this flaw to block the libvirt daemon indefinitely, resulting in a denial of service (CVE-2019-20485).

References

- https://bugs.mageia.org/show_bug.cgi?id=26816

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/D5GE6ISYUL3CIWO3FQRUGMKTKP2NYED2/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20485

Resolution

MGASA-2020-0283 - Updated libvirt packages fix security vulnerability

SRPMS

- 7/core/libvirt-5.5.0-1.2.mga7

Severity
Publication date: 06 Jul 2020
URL: https://advisories.mageia.org/MGASA-2020-0283.html
Type: security
CVE: CVE-2019-20485

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