RHSA-2021:0931: Important: openvswitch2.11 and ovn2.11 security update
Open vSwitch provides standard network bridging functions and support forthe OpenFlow protocol for remote per-flow control of traffic.OVN, the Open Virtual Network, is a system to support virtual networkabstraction. OVN complements the existing capabilities of OVS to add native support for virtual network abstractions, such as virtual L2 and L3 overlays and security groups.Security Fix(es): buffer overflow in the lldpdecode function in daemon/protocols/lldp.c (CVE-2015-8011) librtevhost Integer overflow in vhostusersetlogbase() (CVE-2020-10722) librtevhost Integer truncation in vhostusercheckandallocqueuepair() (CVE-2020-10723) librtevhost Missing inputs validation in Vhost-crypto (CVE-2020-10724) For more details about the security issue(s), including the impact, a CVSSscore, acknowledgments, and other related information, refer to the CVEpage listed in the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:0931?
The severity of RHSA-2021:0931 is considered important due to potential security implications.
How do I fix RHSA-2021:0931?
To fix RHSA-2021:0931, upgrade to the patched versions listed in the advisory, specifically openvswitch-selinux-extra-policy, openvswitch2.11, and ovn2.11.
Which packages are affected by RHSA-2021:0931?
RHSA-2021:0931 affects several packages including openvswitch2.11, ovn2.11, and their associated debug and development packages.
Is there a workaround for RHSA-2021:0931?
A workaround for RHSA-2021:0931 may involve configuring firewall rules or applying specific SELinux policies, but applying patches is recommended.
When was RHSA-2021:0931 released?
RHSA-2021:0931 was released as part of Red Hat's security advisories in 2021.