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Red Hat Enterprise Linux 7: RHSA-2020-3906-01 Low: QEMU-KVM Security Fix

red hat
Calendar Grey September 29, 2020
Dist Redhat Esm H88
Discover the latest Red Hat release concerning qemu-kvm, which tackles security vulnerabilities classified as low severity affecting RHEL 7.
An update for qemu-kvm is now available for Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.

Summary

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.
Security Fix(es):
* QEMU: seccomp: blacklist is not applied to all threads (CVE-2018-15746)
* QEMU: vnc: memory leakage upon disconnect (CVE-2019-20382)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory Red Hat bug fix low impact virtualization qemu-kvm KVM update

References

https://access.redhat.com/security/cve/CVE-2018-15746 https://access.redhat.com/security/cve/CVE-2019-20382 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: qemu-kvm-1.5.3-175.el7.src.rpm
x86_64: qemu-img-1.5.3-175.el7.x86_64.rpm qemu-kvm-1.5.3-175.el7.x86_64.rpm qemu-kvm-common-1.5.3-175.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-175.el7.x86_64.rpm qemu-kvm-tools-1.5.3-175.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source: qemu-kvm-1.5.3-175.el7.src.rpm
x86_64: qemu-img-1.5.3-175.el7.x86_64.rpm qemu-kvm-1.5.3-175.el7.x86_64.rpm qemu-kvm-common-1.5.3-175.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-175.el7.x86_64.rpm qemu-kvm-tools-1.5.3-175.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: qemu-kvm-1.5.3-175.el7.src.rpm
x86_64: qemu-img-1.5.3-175.el7.x86_64.rpm qemu-kvm-1.5.3-175.el7.x86_64.rpm qemu-kvm-common-1.5.3-175.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-175.el7.x86_64.rpm qemu-kvm-tools-1.5.3-175.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: qemu-kvm-1.5.3-175.el7.src.rpm
x86_64: qemu-img-1.5.3-175.el7.x86_64.rpm qemu-kvm-1.5.3-175.el7.x86_64.rpm qemu-kvm-common-1.5.3-175.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-175.el7.x86_64.rpm qemu-kvm-tools-1.5.3-175.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:3906-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3906
Issue date: 2020-09-29

Topic

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat bug fix low impact virtualization qemu-kvm KVM update

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Bugs Fixed

1615637 - CVE-2018-15746 QEMU: seccomp: blacklist is not applied to all threads

1791679 - QEMU: Slirp: disable emulation of tcp programs like ftp IRC etc. [rhel-7]

1802215 - Add support for newer glusterfs

1810390 - CVE-2019-20382 QEMU: vnc: memory leakage upon disconnect

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