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Red Hat Enterprise Linux 7 RHSA-2018:2762-01 Critical QEMU Heap Overflow

red hat
Calendar Grey September 25, 2018
Dist Redhat Esm H88
Critical qemu-kvm-ma patch available for Red Hat Enterprise Linux 7, fixing a heap buffer overflow vulnerability. Discover further details!
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

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: heap buffer overflow while reassembling fragmented datagrams (CVE-2018-11806)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Jskz - Zero Day Initiative (trendmicro.com) for reporting this issue.

Topics%20covered

Topics Covered

security advisory security issue critical Red Hat Enterprise Linux important heap overflow qemu-kvm-ma

References

https://access.redhat.com/security/cve/CVE-2018-11806 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: qemu-kvm-ma-2.10.0-21.el7_5.4.src.rpm
ppc64: qemu-img-ma-2.10.0-21.el7_5.4.ppc64.rpm qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.ppc64.rpm
ppc64le: qemu-img-ma-2.10.0-21.el7_5.4.ppc64le.rpm qemu-kvm-common-ma-2.10.0-21.el7_5.4.ppc64le.rpm qemu-kvm-ma-2.10.0-21.el7_5.4.ppc64le.rpm qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.ppc64le.rpm qemu-kvm-tools-ma-2.10.0-21.el7_5.4.ppc64le.rpm
s390x: qemu-img-ma-2.10.0-21.el7_5.4.s390x.rpm qemu-kvm-common-ma-2.10.0-21.el7_5.4.s390x.rpm qemu-kvm-ma-2.10.0-21.el7_5.4.s390x.rpm qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.s390x.rpm qemu-kvm-tools-ma-2.10.0-21.el7_5.4.s390x.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: qemu-kvm-ma-2.10.0-21.el7_5.4.src.rpm
ppc64le: qemu-img-ma-2.10.0-21.el7_5.4.ppc64le.rpm qemu-kvm-common-ma-2.10.0-21.el7_5.4.ppc64le.rpm qemu-kvm-ma-2.10.0-21.el7_5.4.ppc64le.rpm qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.ppc64le.rpm qemu-kvm-tools-ma-2.10.0-21.el7_5.4.ppc64le.rpm
s390x: qemu-img-ma-2.10.0-21.el7_5.4.s390x.rpm qemu-kvm-common-ma-2.10.0-21.el7_5.4.s390x.rpm qemu-kvm-ma-2.10.0-21.el7_5.4.s390x.rpm qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.s390x.rpm qemu-kvm-tools-ma-2.10.0-21.el7_5.4.s390x.rpm
Red Hat Enterprise Linux Server Optional (v. 7):


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:2762-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2762
Issue date: 2018-09-25

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 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 critical Red Hat Enterprise Linux important heap overflow 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

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64

Bugs Fixed

1586245 - CVE-2018-11806 QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams

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