Ubuntu 5065-1: Open vSwitch vulnerability

Advisories

==========================================================================
Ubuntu Security Notice USN-5065-1
September 08, 2021

openvswitch vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.04
- Ubuntu 20.04 LTS

Summary:

Open vSwitch could be made to crash or run programs if it received
specially crafted network traffic.

Software Description:
- openvswitch: Ethernet virtual switch

Details:

It was discovered that Open vSwitch incorrectly handled decoding RAW_ENCAP
actions. A remote attacker could use this issue to cause Open vSwitch to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 21.04:
  openvswitch-common              2.15.0-0ubuntu3.1

Ubuntu 20.04 LTS:
  openvswitch-common              2.13.3-0ubuntu0.20.04.2

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5065-1
  CVE-2021-36980

Package Information:
  https://launchpad.net/ubuntu/+source/openvswitch/2.15.0-0ubuntu3.1
  https://launchpad.net/ubuntu/+source/openvswitch/2.13.3-0ubuntu0.20.04.2

Ubuntu 5065-1: Open vSwitch vulnerability

September 8, 2021

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.04 - Ubuntu 20.04 LTS Summary: Open vSwitch could be made to crash or run programs if it received specially crafted network traffic. Software Description: - openvswitch: Ethernet virtual switch Details: It was discovered that Open vSwitch incorrectly handled decoding RAW_ENCAP actions. A remote attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: openvswitch-common 2.15.0-0ubuntu3.1 Ubuntu 20.04 LTS: openvswitch-common 2.13.3-0ubuntu0.20.04.2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5065-1

CVE-2021-36980

Severity
Ubuntu Security Notice USN-5065-1

Package Information

https://launchpad.net/ubuntu/+source/openvswitch/2.15.0-0ubuntu3.1 https://launchpad.net/ubuntu/+source/openvswitch/2.13.3-0ubuntu0.20.04.2

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