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USN-4371-1: libvirt vulnerabilities

USN-4371-1: libvirt vulnerabilities

libvirt vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Summary

Several security issues were fixed in libvirt.

Software Description

Details

It was discovered that libvirt incorrectly handled an active pool without a
target path. A remote attacker could possibly use this issue to cause
libvirt to crash, resulting in a denial of service. (CVE-2020-10703)

It was discovered that libvirt incorrectly handled memory when retrieving
certain domain statistics. A remote attacker could possibly use this issue
to cause libvirt to consume resources, resulting in a denial of service.
This issue only affected Ubuntu 19.10. (CVE-2020-12430)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10
libvirt-clients5.4.0-0ubuntu5.4
libvirt-daemon5.4.0-0ubuntu5.4
libvirt05.4.0-0ubuntu5.4
Ubuntu 18.04 LTS
libvirt-clients4.0.0-1ubuntu8.17
libvirt-daemon4.0.0-1ubuntu8.17
libvirt04.0.0-1ubuntu8.17

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

Source: USN-4371-1: libvirt vulnerabilities

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