A qemu-kvm security, bug fix, and enhancement update has been released for Red Hat Enterprise Linux 7.
RHSA-2020:1116-01: Important: qemu-kvm security, bug fix, and enhancement update
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Red Hat Security Advisory
Synopsis: Important: qemu-kvm security, bug fix, and enhancement update
Advisory ID: RHSA-2020:1116-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1116
Issue date: 2020-03-31
CVE Names: CVE-2020-7039
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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 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 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: 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/):
1270166 - UDP packet checksum is not converted from 0x0000 to 0xffff with Qemu e1000 emulation.
1626871 - [RFE] request for using TscInvariant feature with qemu-kvm.
1760607 - Corrupted EAX values due to missing brackets at CPUID[0x800000008] code
1791551 - CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
qemu-kvm-1.5.3-173.el7.src.rpm
x86_64:
qemu-img-1.5.3-173.el7.x86_64.rpm
qemu-kvm-1.5.3-173.el7.x86_64.rpm
qemu-kvm-common-1.5.3-173.el7.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-173.el7.x86_64.rpm
qemu-kvm-tools-1.5.3-173.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source:
qemu-kvm-1.5.3-173.el7.src.rpm
x86_64:
qemu-img-1.5.3-173.el7.x86_64.rpm
qemu-kvm-1.5.3-173.el7.x86_64.rpm
qemu-kvm-common-1.5.3-173.el7.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-173.el7.x86_64.rpm
qemu-kvm-tools-1.5.3-173.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
qemu-kvm-1.5.3-173.el7.src.rpm
x86_64:
qemu-img-1.5.3-173.el7.x86_64.rpm
qemu-kvm-1.5.3-173.el7.x86_64.rpm
qemu-kvm-common-1.5.3-173.el7.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-173.el7.x86_64.rpm
qemu-kvm-tools-1.5.3-173.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
qemu-kvm-1.5.3-173.el7.src.rpm
x86_64:
qemu-img-1.5.3-173.el7.x86_64.rpm
qemu-kvm-1.5.3-173.el7.x86_64.rpm
qemu-kvm-common-1.5.3-173.el7.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-173.el7.x86_64.rpm
qemu-kvm-tools-1.5.3-173.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/
7. References:
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 . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
