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Red Hat 8: RHSA-2022-4787 Moderate: Openvswitch2.15 DoS and Access Issue

red hat
Calendar Grey May 27, 2022
Dist Redhat Esm H88
Canonical issues a significant security patch for netfilter 1.8, focusing on buffer overflow vulnerabilities and unauthorized access risks.
An update for openvswitch2.15 is now available in 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

Users of openvswitch2.15 are advised to upgrade to these updated packages, which fix these bugs.

Summary

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.
Security Fix(es):
* openvswitch2.15: DPDK: Out-of-bounds read/write in vhost_user_set_inflight_fd() may lead to crash (CVE-2021-3839)
* openvswitch2.15: DPDK: Sending vhost-user-inflight type messages could lead to DoS (CVE-2022-0669)
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 DoS Red Hat Enterprise Linux moderate severity out-of-bounds access openvswitch Fast Datapath

References

https://access.redhat.com/security/cve/CVE-2021-3839 https://access.redhat.com/security/cve/CVE-2022-0669 https://access.redhat.com/security/updates/classification#moderate

Package List

Fast Datapath for Red Hat Enterprise Linux 8:
Source: openvswitch2.15-2.15.0-99.el8fdp.src.rpm
aarch64: network-scripts-openvswitch2.15-2.15.0-99.el8fdp.aarch64.rpm openvswitch2.15-2.15.0-99.el8fdp.aarch64.rpm openvswitch2.15-debuginfo-2.15.0-99.el8fdp.aarch64.rpm openvswitch2.15-debugsource-2.15.0-99.el8fdp.aarch64.rpm openvswitch2.15-devel-2.15.0-99.el8fdp.aarch64.rpm openvswitch2.15-ipsec-2.15.0-99.el8fdp.aarch64.rpm python3-openvswitch2.15-2.15.0-99.el8fdp.aarch64.rpm python3-openvswitch2.15-debuginfo-2.15.0-99.el8fdp.aarch64.rpm
noarch: openvswitch2.15-test-2.15.0-99.el8fdp.noarch.rpm
ppc64le: network-scripts-openvswitch2.15-2.15.0-99.el8fdp.ppc64le.rpm openvswitch2.15-2.15.0-99.el8fdp.ppc64le.rpm openvswitch2.15-debuginfo-2.15.0-99.el8fdp.ppc64le.rpm openvswitch2.15-debugsource-2.15.0-99.el8fdp.ppc64le.rpm openvswitch2.15-devel-2.15.0-99.el8fdp.ppc64le.rpm openvswitch2.15-ipsec-2.15.0-99.el8fdp.ppc64le.rpm python3-openvswitch2.15-2.15.0-99.el8fdp.ppc64le.rpm python3-openvswitch2.15-debuginfo-2.15.0-99.el8fdp.ppc64le.rpm
s390x: network-scripts-openvswitch2.15-2.15.0-99.el8fdp.s390x.rpm openvswitch2.15-2.15.0-99.el8fdp.s390x.rpm openvswitch2.15-debuginfo-2.15.0-99.el8fdp.s390x.rpm openvswitch2.15-debugsource-2.15.0-99.el8fdp.s390x.rpm

Read the Full Advisory


Advisory ID: RHSA-2022:4787-01
Product: Fast Datapath
Advisory URL: https://access.redhat.com/errata/RHSA-2022:4787
Issue date: 2022-05-27

Topic

An update for openvswitch2.15 is now available in Fast Datapath for Red HatEnterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory DoS Red Hat Enterprise Linux moderate severity out-of-bounds access openvswitch Fast Datapath

Relevant Releases Architectures

Fast Datapath for Red Hat Enterprise Linux 8 - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2025882 - CVE-2021-3839 DPDK: out-of-bounds read/write in vhost_user_set_inflight_fd() may lead to crash

2055793 - CVE-2022-0669 dpdk: sending vhost-user-inflight type messages could lead to DoS

2070343 - Failed to read database with dns hostname address

2080271 - [22.D RHEL-8] Fast Datapath Release

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