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Red Hat Security Advisory 2020-1150-01

Red Hat Security Advisory 2020-1150-01
Posted Apr 1, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1150-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-ma packages provide the user-space component for running virtual machines that use KVM on the IBM z Systems, IBM Power, and 64-bit ARM architectures. Issues addressed include an out of bounds access vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-1711, CVE-2020-7039
MD5 | f88f15964da2655179ec8e0d234aec24

Red Hat Security Advisory 2020-1150-01

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

Synopsis: Important: qemu-kvm-ma security update
Advisory ID: RHSA-2020:1150-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1150
Issue date: 2020-03-31
CVE Names: CVE-2020-1711 CVE-2020-7039
====================================================================
1. Summary:

An update for qemu-kvm-ma is now available for Red Hat Enterprise Linux 7.

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 Server (v. 7) - ppc64, ppc64le, s390x
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64

3. Description:

Kernel-based Virtual Machine (KVM) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm-ma packages provide the
user-space component for running virtual machines that use KVM on the IBM z
Systems, IBM Power, and 64-bit ARM architectures.

Security Fix(es):

* QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI
Server (CVE-2020-1711)

* QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()
(CVE-2020-7039)

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 7.8 Release Notes linked from 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()
1794290 - CVE-2020-1711 QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server

6. Package List:

Red Hat Enterprise Linux Server (v. 7):

Source:
qemu-kvm-ma-2.12.0-44.el7.src.rpm

ppc64:
qemu-img-ma-2.12.0-44.el7.ppc64.rpm
qemu-kvm-ma-debuginfo-2.12.0-44.el7.ppc64.rpm

ppc64le:
qemu-img-ma-2.12.0-44.el7.ppc64le.rpm
qemu-kvm-common-ma-2.12.0-44.el7.ppc64le.rpm
qemu-kvm-ma-2.12.0-44.el7.ppc64le.rpm
qemu-kvm-ma-debuginfo-2.12.0-44.el7.ppc64le.rpm
qemu-kvm-tools-ma-2.12.0-44.el7.ppc64le.rpm

s390x:
qemu-img-ma-2.12.0-44.el7.s390x.rpm
qemu-kvm-common-ma-2.12.0-44.el7.s390x.rpm
qemu-kvm-ma-2.12.0-44.el7.s390x.rpm
qemu-kvm-ma-debuginfo-2.12.0-44.el7.s390x.rpm
qemu-kvm-tools-ma-2.12.0-44.el7.s390x.rpm

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

ppc64:
qemu-kvm-common-ma-2.12.0-44.el7.ppc64.rpm
qemu-kvm-ma-2.12.0-44.el7.ppc64.rpm
qemu-kvm-ma-debuginfo-2.12.0-44.el7.ppc64.rpm
qemu-kvm-tools-ma-2.12.0-44.el7.ppc64.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-2020-1711
https://access.redhat.com/security/cve/CVE-2020-7039
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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