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Ubuntu Security Notice USN-5698-2

Ubuntu Security Notice USN-5698-2
Posted Oct 26, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5698-2 - USN-5698-1 fixed a vulnerability in Open. This update provides the corresponding update for Ubuntu 16.04 ESM. It was discovered that Open vSwitch incorrectly handled comparison of certain minimasks. A remote attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-32166
SHA-256 | 2b04077513599f7b98a6e8ce63a6378b71cabb2f54f81437329d632ead90bcb8

Ubuntu Security Notice USN-5698-2

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-5698-2
October 25, 2022

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

- Ubuntu 16.04 ESM

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:

USN-5698-1 fixed a vulnerability in Open. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Open vSwitch incorrectly handled comparison of
certain minimasks. 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 16.04 ESM:
openvswitch-common 2.5.9-0ubuntu0.16.04.3+esm1

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

References:
https://ubuntu.com/security/notices/USN-5698-2
https://ubuntu.com/security/notices/USN-5698-1
CVE-2022-32166
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