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Red Hat Security Advisory 2019-2607-01

Red Hat Security Advisory 2019-2607-01
Posted Sep 3, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2607-01 - Kernel-based Virtual Machine 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. Issues addressed include a null pointer vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2019-12155
MD5 | 78fd21a1c64f7c0113f47359f7fdd274

Red Hat Security Advisory 2019-2607-01

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====================================================================
Red Hat Security Advisory

Synopsis: Low: qemu-kvm security update
Advisory ID: RHSA-2019:2607-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2607
Issue date: 2019-09-03
CVE Names: CVE-2019-12155
====================================================================
1. Summary:

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

2. 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

3. Description:

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: qxl: null pointer dereference while releasing spice resources
(CVE-2019-12155)

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.

4. 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.

5. Bugs fixed (https://bugzilla.redhat.com/):

1712670 - CVE-2019-12155 QEMU: qxl: null pointer dereference while releasing spice resources

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
qemu-kvm-1.5.3-167.el7_7.1.src.rpm

x86_64:
qemu-img-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-common-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-tools-1.5.3-167.el7_7.1.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
qemu-kvm-1.5.3-167.el7_7.1.src.rpm

x86_64:
qemu-img-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-common-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-tools-1.5.3-167.el7_7.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
qemu-kvm-1.5.3-167.el7_7.1.src.rpm

x86_64:
qemu-img-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-common-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-tools-1.5.3-167.el7_7.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
qemu-kvm-1.5.3-167.el7_7.1.src.rpm

x86_64:
qemu-img-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-common-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-167.el7_7.1.x86_64.rpm
qemu-kvm-tools-1.5.3-167.el7_7.1.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/

7. References:

https://access.redhat.com/security/cve/CVE-2019-12155
https://access.redhat.com/security/updates/classification/#low

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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