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Red Hat: RHSA-2022-6850 Important: Openvswitch2.11 DoS Security Fix

red hat
Calendar Grey October 6, 2022
Dist Redhat Esm H88
Critical Open vSwitch 2.11 security patch released for Red Hat Enterprise Linux addressing Denial of Service vulnerabilities.
An update for openvswitch2.11 is now available for Fast Datapath 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

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.
Security Fix(es):
* dpdk: DoS when a Vhost header crosses more than two descriptors and exhausts all mbufs (CVE-2022-2132)
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 Red Hat DoS issue important patch Fast Datapath openvswitch update

References

https://access.redhat.com/security/cve/CVE-2022-2132 https://access.redhat.com/security/updates/classification/#important

Package List

Fast Datapath for Red Hat Enterprise Linux 7:
Source: openvswitch2.11-2.11.3-96.2.el7fdp.src.rpm
noarch: openvswitch2.11-test-2.11.3-96.2.el7fdp.noarch.rpm
ppc64le: openvswitch2.11-2.11.3-96.2.el7fdp.ppc64le.rpm openvswitch2.11-debuginfo-2.11.3-96.2.el7fdp.ppc64le.rpm openvswitch2.11-devel-2.11.3-96.2.el7fdp.ppc64le.rpm python-openvswitch2.11-2.11.3-96.2.el7fdp.ppc64le.rpm
s390x: openvswitch2.11-2.11.3-96.2.el7fdp.s390x.rpm openvswitch2.11-debuginfo-2.11.3-96.2.el7fdp.s390x.rpm openvswitch2.11-devel-2.11.3-96.2.el7fdp.s390x.rpm python-openvswitch2.11-2.11.3-96.2.el7fdp.s390x.rpm
x86_64: openvswitch2.11-2.11.3-96.2.el7fdp.x86_64.rpm openvswitch2.11-debuginfo-2.11.3-96.2.el7fdp.x86_64.rpm openvswitch2.11-devel-2.11.3-96.2.el7fdp.x86_64.rpm python-openvswitch2.11-2.11.3-96.2.el7fdp.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-2022:6850-01
Product: Fast Datapath
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6850
Issue date: 2022-10-06

Topic

An update for openvswitch2.11 is now available for Fast Datapath for RedHat 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 Red Hat DoS issue important patch Fast Datapath openvswitch update

Relevant Releases Architectures

Fast Datapath for Red Hat Enterprise Linux 7 - noarch, ppc64le, s390x, x86_64

Bugs Fixed

2099475 - CVE-2022-2132 dpdk: DoS when a Vhost header crosses more than two descriptors and exhausts all mbufs

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