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Red Hat Product Errata RHSA-2021:0834 - Security Advisory
Issued:
2021-03-15
Updated:
2021-03-15

RHSA-2021:0834 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: openvswitch2.11 security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for openvswitch2.11 is now available in Fast Datapath for Red Hat
Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of
Moderate. 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.

Description

Open vSwitch provides standard network bridging functions and support for
the OpenFlow protocol for remote per-flow control of traffic.

Security Fix(es):

  • 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)

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.

Solution

For details on how to apply this update, refer to:

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

Affected Products

  • Red Hat Enterprise Linux Fast Datapath 7 x86_64
  • Red Hat Enterprise Linux Fast Datapath (for RHEL Server for IBM Power LE) 7 ppc64le
  • Red Hat Enterprise Linux Fast Datapath (for IBM z Systems) 7 s390x

Fixes

  • BZ - 1908845 - CVE-2020-35498 openvswitch: limitation in the OVS packet parsing in userspace leads to DoS
  • BZ - 1921438 - CVE-2020-27827 lldp/openvswitch: denial of service via externally triggered memory leak

CVEs

  • CVE-2020-27827
  • CVE-2020-35498

References

  • https://access.redhat.com/security/updates/classification/#moderate
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Fast Datapath 7

SRPM
openvswitch2.11-2.11.3-86.el7fdp.src.rpm SHA-256: 0f1c007c4cf5c222fb1c3bdc66c607e3cadf0e83894cd6cb50ba2ce149666214
x86_64
openvswitch2.11-2.11.3-86.el7fdp.x86_64.rpm SHA-256: 314d719d843cbe4c74a65e19e6bfb27f5d520b470eb501cb8352d75c24465fe6
openvswitch2.11-debuginfo-2.11.3-86.el7fdp.x86_64.rpm SHA-256: 81540ea0b5240495e64fc5b0fa534a479077c53a46ebca4348bf9d09ebee9b55
openvswitch2.11-devel-2.11.3-86.el7fdp.x86_64.rpm SHA-256: 5858f917c2eb5c9c6e70177a1929225c1f88019d21005d83728b061d0824f712
openvswitch2.11-test-2.11.3-86.el7fdp.noarch.rpm SHA-256: ab86456a6c89865646940594a5beefade03d0ff00860034171c8e8479062d7f0
python-openvswitch2.11-2.11.3-86.el7fdp.x86_64.rpm SHA-256: 0c739e7402a5c388f19354a1386ff8243355dfa231947a30d4abe36dce7989c3

Red Hat Enterprise Linux Fast Datapath (for RHEL Server for IBM Power LE) 7

SRPM
openvswitch2.11-2.11.3-86.el7fdp.src.rpm SHA-256: 0f1c007c4cf5c222fb1c3bdc66c607e3cadf0e83894cd6cb50ba2ce149666214
ppc64le
openvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm SHA-256: df7d58fce595a878d6f52c0e68d75fdc1fb70f63b71497c0478fc1cb19d5b712
openvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm SHA-256: df7d58fce595a878d6f52c0e68d75fdc1fb70f63b71497c0478fc1cb19d5b712
openvswitch2.11-debuginfo-2.11.3-86.el7fdp.ppc64le.rpm SHA-256: a68dc4a0783460b6173a57fcba2b721ce29467199571ae50adeb538539aeef02
openvswitch2.11-debuginfo-2.11.3-86.el7fdp.ppc64le.rpm SHA-256: a68dc4a0783460b6173a57fcba2b721ce29467199571ae50adeb538539aeef02
openvswitch2.11-devel-2.11.3-86.el7fdp.ppc64le.rpm SHA-256: 377c6df62fe827813f3860e5e8a2e100ad7e7b1126a915af5651c54a94f6267a
openvswitch2.11-devel-2.11.3-86.el7fdp.ppc64le.rpm SHA-256: 377c6df62fe827813f3860e5e8a2e100ad7e7b1126a915af5651c54a94f6267a
openvswitch2.11-test-2.11.3-86.el7fdp.noarch.rpm SHA-256: ab86456a6c89865646940594a5beefade03d0ff00860034171c8e8479062d7f0
openvswitch2.11-test-2.11.3-86.el7fdp.noarch.rpm SHA-256: ab86456a6c89865646940594a5beefade03d0ff00860034171c8e8479062d7f0
python-openvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm SHA-256: d32e63006b37eaee894d1a19c10ad99e8e8bc20de1a1eaff0197d604aea14002
python-openvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm SHA-256: d32e63006b37eaee894d1a19c10ad99e8e8bc20de1a1eaff0197d604aea14002

Red Hat Enterprise Linux Fast Datapath (for IBM z Systems) 7

SRPM
openvswitch2.11-2.11.3-86.el7fdp.src.rpm SHA-256: 0f1c007c4cf5c222fb1c3bdc66c607e3cadf0e83894cd6cb50ba2ce149666214
s390x
openvswitch2.11-2.11.3-86.el7fdp.s390x.rpm SHA-256: efd5bbd7fba36106ce858abab3ee94a90c15bc9d57ffc2ebf37907438b915b7a
openvswitch2.11-debuginfo-2.11.3-86.el7fdp.s390x.rpm SHA-256: 77b8f85aa3d5b9d0194410ffe170eb78d219010f35fe9345b59603bb4c6f1ef4
openvswitch2.11-devel-2.11.3-86.el7fdp.s390x.rpm SHA-256: da7914da44d5c71f6ac2e172a839797acb7fa07362c97061ce1359e593a876f6
openvswitch2.11-test-2.11.3-86.el7fdp.noarch.rpm SHA-256: ab86456a6c89865646940594a5beefade03d0ff00860034171c8e8479062d7f0
python-openvswitch2.11-2.11.3-86.el7fdp.s390x.rpm SHA-256: 2a9be45d162edbd6627688da8140e25eaaef4931905bda0e92c84fbbe2d2c04f

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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