Important: openvswitch2.17 security update

标题

An update for openvswitch4.17 is now available for Fast Datapath for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

描述

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.

解决方案

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

受影响的产品

• Red Hat Enterprise Linux Fast Datapath 8 x86_64
• Red Hat Enterprise Linux Fast Datapath (for RHEL Server for IBM Power LE) 8 ppc64le
• Red Hat Enterprise Linux Fast Datapath (for IBM z Systems) 8 s390x
• Red Hat Enterprise Linux Fast Datapath (for RHEL for ARM 64) 8 aarch64

修复

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

CVE

• CVE-2022-2132

参考

• https://access.redhat.com/security/updates/classification/#important