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RedHat 8.1 RHSA-2020-1261-01 Important: QEMU Slirp Security Fix

red hat
Calendar Grey April 1, 2020
Dist Redhat Esm H88
Uncover the significance of the Red Hat security bulletin for virt:8.1, focusing on critical vulnerabilities and their resolutions.
An update for the virt:8.1 module is now available for Advanced Virtualization for RHEL 8.1.1

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

Summary

The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
Security Fix(es):
* qemu-kvm: QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039)
* qemu-kvm: 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.

Topics%20covered

Topics Covered

security advisory security issue red hat important qemu advanced virtualization slirp

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

Package List

Advanced Virtualization for RHEL 8.1.1:
Source: SLOF-20190703-1.gitba1ab360.module+el8.1.1+5309+6d656f05.src.rpm hivex-1.3.15-7.module+el8.1.1+5309+6d656f05.src.rpm libguestfs-1.40.2-16.module+el8.1.1+5309+6d656f05.src.rpm libguestfs-winsupport-8.0-4.module+el8.1.1+5309+6d656f05.src.rpm libiscsi-1.18.0-8.module+el8.1.1+5309+6d656f05.src.rpm libnbd-1.0.3-1.module+el8.1.1+5659+15cacc69.src.rpm libtpms-0.7.0-1.20191018gitdc116933b7.module+el8.1.1+5309+6d656f05.src.rpm libvirt-5.6.0-10.module+el8.1.1+5309+6d656f05.src.rpm libvirt-dbus-1.3.0-2.module+el8.1.1+5309+6d656f05.src.rpm libvirt-python-5.6.0-3.module+el8.1.1+5309+6d656f05.src.rpm nbdkit-1.12.5-2.module+el8.1.1+5309+6d656f05.src.rpm netcf-0.2.8-12.module+el8.1.1+5309+6d656f05.src.rpm perl-Sys-Virt-5.6.0-2.module+el8.1.1+5309+6d656f05.src.rpm python-pyvmomi-6.7.1-7.module+el8.1.1+5668+2d43f0bb.src.rpm qemu-kvm-4.1.0-23.module+el8.1.1+5938+f5e53076.2.src.rpm seabios-1.12.0-5.module+el8.1.1+5309+6d656f05.src.rpm sgabios-0.20170427git-3.module+el8.1.1+5309+6d656f05.src.rpm supermin-5.1.19-10.module+el8.1.1+5309+6d656f05.src.rpm swtpm-0.2.0-1.20191018git9227cf4.module+el8.1.1+5309+6d656f05.src.rpm virglrenderer-0.6.0-5.20180814git491d3b705.module+el8.1.1+5309+6d656f05.src.rpm
aarch64:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1261-01
Product: Advanced Virtualization
Advisory URL: Issue date: 2020-04-01

Topic

An update for the virt:8.1 module is now available for AdvancedVirtualization for RHEL 8.1.1.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue red hat important qemu advanced virtualization slirp

Relevant Releases Architectures

Advanced Virtualization CodeReady Builder for RHEL 8.1.1 - aarch64, ppc64le, s390x, x86_64

Advanced Virtualization for RHEL 8.1.1 - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

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

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