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RedHat Enterprise Linux 8: RHSA-2022-6384 Important: DoS Mitigation

red hat
Calendar Grey September 7, 2022
Dist Redhat Esm H88
Open vSwitch 2.13 security patch for Red Hat Enterprise Linux 8: Critical DoS prevention released for Fast Datapath feature.
An update for openvswitch2.13 is now available for Fast Datapath for Red Hat Enterprise Linux 8

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 important dos openvswitch fast datapath

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 8:
Source: openvswitch2.13-2.13.0-193.2.el8fdp.src.rpm
aarch64: network-scripts-openvswitch2.13-2.13.0-193.2.el8fdp.aarch64.rpm openvswitch2.13-2.13.0-193.2.el8fdp.aarch64.rpm openvswitch2.13-debuginfo-2.13.0-193.2.el8fdp.aarch64.rpm openvswitch2.13-debugsource-2.13.0-193.2.el8fdp.aarch64.rpm openvswitch2.13-devel-2.13.0-193.2.el8fdp.aarch64.rpm openvswitch2.13-ipsec-2.13.0-193.2.el8fdp.aarch64.rpm python3-openvswitch2.13-2.13.0-193.2.el8fdp.aarch64.rpm python3-openvswitch2.13-debuginfo-2.13.0-193.2.el8fdp.aarch64.rpm
noarch: openvswitch2.13-test-2.13.0-193.2.el8fdp.noarch.rpm
ppc64le: network-scripts-openvswitch2.13-2.13.0-193.2.el8fdp.ppc64le.rpm openvswitch2.13-2.13.0-193.2.el8fdp.ppc64le.rpm openvswitch2.13-debuginfo-2.13.0-193.2.el8fdp.ppc64le.rpm openvswitch2.13-debugsource-2.13.0-193.2.el8fdp.ppc64le.rpm openvswitch2.13-devel-2.13.0-193.2.el8fdp.ppc64le.rpm openvswitch2.13-ipsec-2.13.0-193.2.el8fdp.ppc64le.rpm python3-openvswitch2.13-2.13.0-193.2.el8fdp.ppc64le.rpm python3-openvswitch2.13-debuginfo-2.13.0-193.2.el8fdp.ppc64le.rpm
s390x: network-scripts-openvswitch2.13-2.13.0-193.2.el8fdp.s390x.rpm openvswitch2.13-2.13.0-193.2.el8fdp.s390x.rpm openvswitch2.13-debuginfo-2.13.0-193.2.el8fdp.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:6384-01
Product: Fast Datapath
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6384
Issue date: 2022-09-07

Topic

An update for openvswitch2.13 is now available for Fast Datapath for RedHat Enterprise Linux 8.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 important dos openvswitch fast datapath

Relevant Releases Architectures

Fast Datapath for Red Hat Enterprise Linux 8 - aarch64, 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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