Alerts This Week
Warning Icon 1 727
Alerts This Week
Warning Icon 1 727

Red Hat: RHSA-2021-0346-01 Moderate: Qemu-KVM Security Threat

red hat
Calendar Grey February 2, 2021
Dist Redhat Esm H88
Explore the newest security update for Red Hat Enterprise Linux 7 focusing on the qemu-kvm-ma component, which presents a moderate level of risk.
An update for qemu-kvm-ma is now available for Red Hat Enterprise Linux 7

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory moderate security update security issue Red Hat update Red Hat Enterprise Linux kernel virtualization kernel-based virtualization qemu-kvm-ma

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

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/


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

Topic

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security update security issue Red Hat update Red Hat Enterprise Linux kernel virtualization kernel-based virtualization qemu-kvm-ma

Relevant Releases Architectures

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

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

Bugs Fixed

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here