RedHat: RHSA-2021-3942:01 Moderate: openvswitch2.11 security update
Summary
Open vSwitch provides standard network bridging functions and support for
the OpenFlow protocol for remote per-flow control of traffic.
Security Fix(es):
* openvswitch2.11: openvswitch: use-after-free in decode_NXAST_RAW_ENCAP
during the decoding of a RAW_ENCAP action (CVE-2021-36980)
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.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/2974891
References
https://access.redhat.com/security/cve/CVE-2021-36980 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts:
Source:
openvswitch2.11-2.11.3-89.el7fdp.src.rpm
ppc64le:
openvswitch2.11-2.11.3-89.el7fdp.ppc64le.rpm
openvswitch2.11-debuginfo-2.11.3-89.el7fdp.ppc64le.rpm
openvswitch2.11-devel-2.11.3-89.el7fdp.ppc64le.rpm
python-openvswitch2.11-2.11.3-89.el7fdp.ppc64le.rpm
x86_64:
openvswitch2.11-2.11.3-89.el7fdp.x86_64.rpm
openvswitch2.11-debuginfo-2.11.3-89.el7fdp.x86_64.rpm
openvswitch2.11-devel-2.11.3-89.el7fdp.x86_64.rpm
python-openvswitch2.11-2.11.3-89.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/
Topic
An update for openvswitch2.11 is now available for Red Hat Virtualization 4for Red Hat Enterprise Linux 7.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.
Topic
Relevant Releases Architectures
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts - ppc64le, x86_64
Bugs Fixed
1984473 - CVE-2021-36980 openvswitch: use-after-free in decode_NXAST_RAW_ENCAP during the decoding of a RAW_ENCAP action