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

Synopsis:          Important: qemu-kvm security update
Advisory ID:       RHSA-2020:1351-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1351
Issue date:        2020-04-07
CVE Names:         CVE-2020-7039 CVE-2020-8608 
====================================================================
1. Summary:

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.7
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 ComputeNode Optional EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.7) - 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: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()
(CVE-2020-7039)

* QEMU: Slirp: potential OOB access due to unsafe snprintf() usages
(CVE-2020-8608)

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/):

1791551 - CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()
1798453 - CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usages

6. Package List:

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):

Source:
qemu-kvm-1.5.3-167.el7_7.6.src.rpm

x86_64:
qemu-img-1.5.3-167.el7_7.6.x86_64.rpm
qemu-kvm-1.5.3-167.el7_7.6.x86_64.rpm
qemu-kvm-common-1.5.3-167.el7_7.6.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-167.el7_7.6.x86_64.rpm
qemu-kvm-tools-1.5.3-167.el7_7.6.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.7):

Source:
qemu-kvm-1.5.3-167.el7_7.6.src.rpm

x86_64:
qemu-img-1.5.3-167.el7_7.6.x86_64.rpm
qemu-kvm-1.5.3-167.el7_7.6.x86_64.rpm
qemu-kvm-common-1.5.3-167.el7_7.6.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-167.el7_7.6.x86_64.rpm
qemu-kvm-tools-1.5.3-167.el7_7.6.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-2020-7039
https://access.redhat.com/security/cve/CVE-2020-8608
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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