RHSA-2021:3942: Moderate: openvswitch2.11 security update
First published: Wed Oct 20 2021(Updated: )
Open vSwitch provides standard network bridging functions and support for<br>the OpenFlow protocol for remote per-flow control of traffic.<br>Security Fix(es):<br><li> openvswitch2.11: openvswitch: use-after-free in decode_NXAST_RAW_ENCAP during the decoding of a RAW_ENCAP action (CVE-2021-36980)</li> For more details about the security issue(s), including the impact, a CVSS<br>score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/openvswitch2.11 | <2.11.3-89.el7fd | 2.11.3-89.el7fd |
| redhat/openvswitch2.11-debuginfo | <2.11.3-89.el7fd | 2.11.3-89.el7fd |
| redhat/openvswitch2.11-devel | <2.11.3-89.el7fd | 2.11.3-89.el7fd |
| redhat/python-openvswitch2.11 | <2.11.3-89.el7fd | 2.11.3-89.el7fd |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:3942?
RHSA-2021:3942 is classified as a moderate severity vulnerability.
How do I fix RHSA-2021:3942?
To fix RHSA-2021:3942, update the Open vSwitch packages to version 2.11.3-89.el7fd or later.
What specific issue does RHSA-2021:3942 address?
RHSA-2021:3942 addresses a use-after-free vulnerability in the decoding of a RAW_ENCAP action.
Which versions of Open vSwitch are affected by RHSA-2021:3942?
RHSA-2021:3942 affects Open vSwitch versions prior to 2.11.3-89.el7fd.
Is there a workaround for RHSA-2021:3942?
There is no documented workaround for RHSA-2021:3942; updating the affected packages is recommended.
- agent/severity
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/redhat-errata
- source/Red Hat
- anchor-id/RHSA-2021:3942
- agent/software-canonical-lookup
- agent/title
- agent/remedy
- agent/references
- agent/weakness
- agent/description
- agent/event
- agent/trending
- agent/tags
- agent/source
- package-manager/redhat