Ubuntu Security Notice 5698-1 - 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.
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Ubuntu Security Notice USN-5698-1
October 25, 2022
openvswitch vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 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 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 18.04 LTS:
openvswitch-common 2.9.8-0ubuntu0.18.04.3
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5698-1
CVE-2022-32166
Package Information:
https://launchpad.net/ubuntu/+source/openvswitch/2.9.8-0ubuntu0.18.04.3