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Red Hat 7.6: RHSA-2020-2844-01 Important: QEMU-KVM Out Of Bounds Access

red hat
Calendar Grey July 7, 2020
Dist Redhat Esm H88
Oracle announces a critical Java SE patch targeting vulnerabilities affecting JDK 8 in Enterprise Environment 12.5.7.
An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.6 Extended Update Support

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 packages provide the user-space component for running virtual machines that use KVM.
Security Fix(es):
* 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 virtualization out of bounds access qemu-kvm

References

https://access.redhat.com/security/cve/CVE-2020-8608 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
Source: qemu-kvm-1.5.3-160.el7_6.7.src.rpm
x86_64: qemu-img-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-common-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-tools-1.5.3-160.el7_6.7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source: qemu-kvm-1.5.3-160.el7_6.7.src.rpm
x86_64: qemu-img-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-common-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-tools-1.5.3-160.el7_6.7.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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2844-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2844
Issue date: 2020-07-07

Topic

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.6Extended Update Support.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 virtualization out of bounds access qemu-kvm

Relevant Releases Architectures

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64

Red Hat Enterprise Linux Server EUS (v. 7.6) - x86_64

Bugs Fixed

1798453 - CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usages

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