A qemu-kvm-ma security update has been released for Red Hat Enterprise Linux 7.
RHSA-2021:0346-01: Moderate: qemu-kvm-ma security update
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Red Hat Security Advisory
Synopsis: Moderate: qemu-kvm-ma security update
Advisory ID: RHSA-2021:0346-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0346
Issue date: 2021-02-02
CVE Names: CVE-2020-1983 CVE-2020-16092
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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 Moderate. 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: slirp: use-after-free in ip_reass() function in ip_input.c
(CVE-2020-1983)
* QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in
hw/net/net_tx_pkt.c (CVE-2020-16092)
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/):
1829825 - CVE-2020-1983 QEMU: slirp: use-after-free in ip_reass() function in ip_input.c
1860283 - CVE-2020-16092 QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c
6. Package List:
Red Hat Enterprise Linux Server (v. 7):
Source:
qemu-kvm-ma-2.12.0-48.el7_9.2.src.rpm
ppc64:
qemu-img-ma-2.12.0-48.el7_9.2.ppc64.rpm
qemu-kvm-ma-debuginfo-2.12.0-48.el7_9.2.ppc64.rpm
ppc64le:
qemu-img-ma-2.12.0-48.el7_9.2.ppc64le.rpm
qemu-kvm-common-ma-2.12.0-48.el7_9.2.ppc64le.rpm
qemu-kvm-ma-2.12.0-48.el7_9.2.ppc64le.rpm
qemu-kvm-ma-debuginfo-2.12.0-48.el7_9.2.ppc64le.rpm
qemu-kvm-tools-ma-2.12.0-48.el7_9.2.ppc64le.rpm
s390x:
qemu-img-ma-2.12.0-48.el7_9.2.s390x.rpm
qemu-kvm-common-ma-2.12.0-48.el7_9.2.s390x.rpm
qemu-kvm-ma-2.12.0-48.el7_9.2.s390x.rpm
qemu-kvm-ma-debuginfo-2.12.0-48.el7_9.2.s390x.rpm
qemu-kvm-tools-ma-2.12.0-48.el7_9.2.s390x.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
qemu-kvm-common-ma-2.12.0-48.el7_9.2.ppc64.rpm
qemu-kvm-ma-2.12.0-48.el7_9.2.ppc64.rpm
qemu-kvm-ma-debuginfo-2.12.0-48.el7_9.2.ppc64.rpm
qemu-kvm-tools-ma-2.12.0-48.el7_9.2.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-2020-1983
https://access.redhat.com/security/cve/CVE-2020-16092
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
