RedHat: RHSA-2021-2077:01 Important: openvswitch 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):
* lldpd: buffer overflow in the lldp_decode function in
daemon/protocols/lldp.c
(CVE-2015-8011)
* openvswitch: limitation in the OVS packet parsing in userspace leads to
DoS
(CVE-2020-35498)
* lldp/openvswitch: denial of service via externally triggered memory leak
(CVE-2020-27827)
Summary
Solution
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2015-8011 https://access.redhat.com/security/cve/CVE-2020-27827 https://access.redhat.com/security/cve/CVE-2020-35498 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/updates/classification#important
Package List
Fast Datapath for Red Hat Enterprise Linux 7:
Source:
openvswitch-2.9.9-1.el7fdp.src.rpm
noarch:
openvswitch-test-2.9.9-1.el7fdp.noarch.rpm
ppc64le:
openvswitch-2.9.9-1.el7fdp.ppc64le.rpm
openvswitch-debuginfo-2.9.9-1.el7fdp.ppc64le.rpm
openvswitch-devel-2.9.9-1.el7fdp.ppc64le.rpm
python-openvswitch-2.9.9-1.el7fdp.ppc64le.rpm
s390x:
openvswitch-2.9.9-1.el7fdp.s390x.rpm
openvswitch-debuginfo-2.9.9-1.el7fdp.s390x.rpm
openvswitch-devel-2.9.9-1.el7fdp.s390x.rpm
python-openvswitch-2.9.9-1.el7fdp.s390x.rpm
x86_64:
openvswitch-2.9.9-1.el7fdp.x86_64.rpm
openvswitch-debuginfo-2.9.9-1.el7fdp.x86_64.rpm
openvswitch-devel-2.9.9-1.el7fdp.x86_64.rpm
python-openvswitch-2.9.9-1.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 openvswitch is now available in Fast Datapath for Red HatEnterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Fast Datapath for Red Hat Enterprise Linux 7 - noarch, ppc64le, s390x, x86_64
Bugs Fixed
1896536 - CVE-2015-8011 lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c
1908845 - CVE-2020-35498 openvswitch: limitation in the OVS packet parsing in userspace leads to DoS
1921438 - CVE-2020-27827 lldp/openvswitch: denial of service via externally triggered memory leak
1950032 - Update openvswitch to 2.9.9