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Red Hat Enterprise Linux 7: RHSA-2020-0366-01 Critical Update for qemu-kvm

red hat
Calendar Grey February 4, 2020
Dist Redhat Esm H88
The recent security update for Red Hat Enterprise Linux 7's qemu-kvm brings essential patches and improvements aimed at bolstering system protection.
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):
* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)
* QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378)
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.
Bug Fix(es):
* [Intel 7.8 Bug] [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM qemu-kvm (BZ#1730606)
Enhancement(s):
* [Intel 7.8 FEAT] MDS_NO exposure to guest - qemu-kvm (BZ#1755333)

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux heap buffer overflow qemu-kvm Important TAA

References

https://access.redhat.com/security/cve/CVE-2019-11135 https://access.redhat.com/security/cve/CVE-2019-14378 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/solutions/tsx-asynchronousabort

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: qemu-kvm-1.5.3-167.el7_7.4.src.rpm
x86_64: qemu-img-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-common-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7_7.4.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source: qemu-kvm-1.5.3-167.el7_7.4.src.rpm
x86_64: qemu-img-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-common-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7_7.4.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: qemu-kvm-1.5.3-167.el7_7.4.src.rpm
x86_64: qemu-img-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-common-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7_7.4.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: qemu-kvm-1.5.3-167.el7_7.4.src.rpm
x86_64: qemu-img-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-common-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7_7.4.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7_7.4.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:0366-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0366
Issue date: 2020-02-04

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 Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux heap buffer overflow qemu-kvm Important TAA

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

1734745 - CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly

1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA)

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