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Red Hat Product Errata RHSA-2021:3942 - Security Advisory
Issued:
2021-10-20
Updated:
2021-10-20

RHSA-2021:3942 - 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 for Red Hat Virtualization 4 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):

  • openvswitch2.11: openvswitch: use-after-free in decode_NXAST_RAW_ENCAP during the decoding of a RAW_ENCAP action (CVE-2021-36980)

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, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/2974891

Affected Products

  • Red Hat Virtualization 4 for RHEL 7 x86_64
  • Red Hat Virtualization for IBM Power LE 4 for RHEL 7 ppc64le

Fixes

  • BZ - 1984473 - CVE-2021-36980 openvswitch: use-after-free in decode_NXAST_RAW_ENCAP during the decoding of a RAW_ENCAP action

CVEs

  • CVE-2021-36980

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 Virtualization 4 for RHEL 7

SRPM
openvswitch2.11-2.11.3-89.el7fdp.src.rpm SHA-256: 858355ecccb7c47edfe02ddbd09f2b706345cece374ba6be9fb7379178b4a5ab
x86_64
openvswitch2.11-2.11.3-89.el7fdp.x86_64.rpm SHA-256: 53bd601459c29a89d5a710e3875fc701da0fc83b340895018d8df487d75304f9
openvswitch2.11-debuginfo-2.11.3-89.el7fdp.x86_64.rpm SHA-256: e72e1c6088291568aa00ece174e81ebca27fa6e8567e560ffb2cfaa6bcb789a9
openvswitch2.11-devel-2.11.3-89.el7fdp.x86_64.rpm SHA-256: 461ff95671799ebf9eefe0feb3e621196b3ae356c4c67fd5191e40c8beebeee8
python-openvswitch2.11-2.11.3-89.el7fdp.x86_64.rpm SHA-256: 6ccf16d02127adecf7b2a2528053aac5a6b19bf36ef8eb13b1d97a4c53513de4

Red Hat Virtualization for IBM Power LE 4 for RHEL 7

SRPM
openvswitch2.11-2.11.3-89.el7fdp.src.rpm SHA-256: 858355ecccb7c47edfe02ddbd09f2b706345cece374ba6be9fb7379178b4a5ab
ppc64le
openvswitch2.11-2.11.3-89.el7fdp.ppc64le.rpm SHA-256: 21cb67a8625b7ffe260c78eb2327fb7f496ca2333911a6efba149049f46d9fca
openvswitch2.11-2.11.3-89.el7fdp.ppc64le.rpm SHA-256: 21cb67a8625b7ffe260c78eb2327fb7f496ca2333911a6efba149049f46d9fca
openvswitch2.11-debuginfo-2.11.3-89.el7fdp.ppc64le.rpm SHA-256: 3c39302e399344f033ddd6c8b6541283edc9eb7a849d25fc28ca31801ca02935
openvswitch2.11-debuginfo-2.11.3-89.el7fdp.ppc64le.rpm SHA-256: 3c39302e399344f033ddd6c8b6541283edc9eb7a849d25fc28ca31801ca02935
openvswitch2.11-devel-2.11.3-89.el7fdp.ppc64le.rpm SHA-256: ce9eede754edd5056974486fd1c52759e966606608bbfbe1b7c62c0d86d547d4
openvswitch2.11-devel-2.11.3-89.el7fdp.ppc64le.rpm SHA-256: ce9eede754edd5056974486fd1c52759e966606608bbfbe1b7c62c0d86d547d4
python-openvswitch2.11-2.11.3-89.el7fdp.ppc64le.rpm SHA-256: ab45bfdf9849f5fad8ed8cca0afddc74ab34b0e68e6ca8fa904b84c0246f0a63
python-openvswitch2.11-2.11.3-89.el7fdp.ppc64le.rpm SHA-256: ab45bfdf9849f5fad8ed8cca0afddc74ab34b0e68e6ca8fa904b84c0246f0a63

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

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