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Red Hat Product Errata RHSA-2021:2077 - Security Advisory
Issued:
2021-05-20
Updated:
2021-05-20

RHSA-2021:2077 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: openvswitch security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for openvswitch 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 Important. 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):

  • 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)

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 Virtualization - Extended Update Support 4.2 for RHEL 7.6 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 - 1896536 - CVE-2015-8011 lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c
  • 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
  • BZ - 1950032 - Update openvswitch to 2.9.9

CVEs

  • CVE-2015-8011
  • CVE-2020-27827
  • CVE-2020-35498

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/security/updates/classification#important
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
openvswitch-2.9.9-1.el7fdp.src.rpm SHA-256: ea8ea0adf244d189febafcd3018f927bceed26384f1c8ab8abe53b73e8ab2e33
x86_64
openvswitch-2.9.9-1.el7fdp.x86_64.rpm SHA-256: 0256baa4c4490ad6caed0f4adb5cd5b3befd80c06341327eaded547f6f01b6b6
openvswitch-debuginfo-2.9.9-1.el7fdp.x86_64.rpm SHA-256: 6ee543d9b8882e19eb2b9085e99bb1092979d145dddffe8d964ccd03b8395b85
openvswitch-devel-2.9.9-1.el7fdp.x86_64.rpm SHA-256: cbf27e6ac9f86757649873680b3b25693e03876c0d530fe71d94cc0b07629d53
openvswitch-test-2.9.9-1.el7fdp.noarch.rpm SHA-256: c5d5006535f547686537a06bc9f729d91ed0289b892a6ab95150d66cedd2b03e
python-openvswitch-2.9.9-1.el7fdp.x86_64.rpm SHA-256: fe192baa730843b066505b54618ad75f9df3ea87ef954ac7b8c626b1e2b851f2

Red Hat Virtualization - Extended Update Support 4.2 for RHEL 7.6

SRPM
openvswitch-2.9.9-1.el7fdp.src.rpm SHA-256: ea8ea0adf244d189febafcd3018f927bceed26384f1c8ab8abe53b73e8ab2e33
x86_64
openvswitch-2.9.9-1.el7fdp.x86_64.rpm SHA-256: 0256baa4c4490ad6caed0f4adb5cd5b3befd80c06341327eaded547f6f01b6b6
openvswitch-debuginfo-2.9.9-1.el7fdp.x86_64.rpm SHA-256: 6ee543d9b8882e19eb2b9085e99bb1092979d145dddffe8d964ccd03b8395b85
openvswitch-devel-2.9.9-1.el7fdp.x86_64.rpm SHA-256: cbf27e6ac9f86757649873680b3b25693e03876c0d530fe71d94cc0b07629d53
python-openvswitch-2.9.9-1.el7fdp.x86_64.rpm SHA-256: fe192baa730843b066505b54618ad75f9df3ea87ef954ac7b8c626b1e2b851f2

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

SRPM
openvswitch-2.9.9-1.el7fdp.src.rpm SHA-256: ea8ea0adf244d189febafcd3018f927bceed26384f1c8ab8abe53b73e8ab2e33
ppc64le
openvswitch-2.9.9-1.el7fdp.ppc64le.rpm SHA-256: e303b33cc58793820dea890f3226495e716a9da2e51bccad7d00aaa77b761201
openvswitch-2.9.9-1.el7fdp.ppc64le.rpm SHA-256: e303b33cc58793820dea890f3226495e716a9da2e51bccad7d00aaa77b761201
openvswitch-debuginfo-2.9.9-1.el7fdp.ppc64le.rpm SHA-256: 9a721840ad32961d6e95dc54e5eb8853dfd0bc2c425b4838fbadac41e35312c1
openvswitch-debuginfo-2.9.9-1.el7fdp.ppc64le.rpm SHA-256: 9a721840ad32961d6e95dc54e5eb8853dfd0bc2c425b4838fbadac41e35312c1
openvswitch-devel-2.9.9-1.el7fdp.ppc64le.rpm SHA-256: 753c7f5598c8d72118b6dfad1ecd4ba4cc2e3e5282d3163e9f70563fe97db9c6
openvswitch-devel-2.9.9-1.el7fdp.ppc64le.rpm SHA-256: 753c7f5598c8d72118b6dfad1ecd4ba4cc2e3e5282d3163e9f70563fe97db9c6
openvswitch-test-2.9.9-1.el7fdp.noarch.rpm SHA-256: c5d5006535f547686537a06bc9f729d91ed0289b892a6ab95150d66cedd2b03e
openvswitch-test-2.9.9-1.el7fdp.noarch.rpm SHA-256: c5d5006535f547686537a06bc9f729d91ed0289b892a6ab95150d66cedd2b03e
python-openvswitch-2.9.9-1.el7fdp.ppc64le.rpm SHA-256: d730c4f0d50b1c9254066ca1c0dc28cb3c992eef9d1325426ba33bff962aaf35
python-openvswitch-2.9.9-1.el7fdp.ppc64le.rpm SHA-256: d730c4f0d50b1c9254066ca1c0dc28cb3c992eef9d1325426ba33bff962aaf35

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

SRPM
openvswitch-2.9.9-1.el7fdp.src.rpm SHA-256: ea8ea0adf244d189febafcd3018f927bceed26384f1c8ab8abe53b73e8ab2e33
s390x
openvswitch-2.9.9-1.el7fdp.s390x.rpm SHA-256: 605a0f364bb5fdf73a658bde5ee6799b9216c955cbc088d03dea35f165e955c3
openvswitch-debuginfo-2.9.9-1.el7fdp.s390x.rpm SHA-256: ae87a0ce68905d14bff9b164c9b457fe5fc0ea859741d91112ab2e0a12c397dc
openvswitch-devel-2.9.9-1.el7fdp.s390x.rpm SHA-256: 6422d88b616e927122f8b05916f81c6f6170a487ac37dbabb11d445a51cc6b11
openvswitch-test-2.9.9-1.el7fdp.noarch.rpm SHA-256: c5d5006535f547686537a06bc9f729d91ed0289b892a6ab95150d66cedd2b03e
python-openvswitch-2.9.9-1.el7fdp.s390x.rpm SHA-256: 26dbcae6b7c80a71003c0c219dcf730449b439ba9cdebb6a04ee1661806f4159

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

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