USN-5890-1: Open vSwitch vulnerabilities

Releases

• Ubuntu 22.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

Packages

• openvswitch - Ethernet virtual switch

Details

Qian Chen discovered that Open vSwitch incorrectly handled certain
Organization Specific TLVs. 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 22.10

• openvswitch-common - 3.0.3-0ubuntu0.22.10.2

Ubuntu 22.04

• openvswitch-common - 2.17.3-0ubuntu0.22.04.2

Ubuntu 20.04

• openvswitch-common - 2.13.8-0ubuntu1.1

Ubuntu 18.04

• openvswitch-common - 2.9.8-0ubuntu0.18.04.4

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

References

• CVE-2022-4338
• CVE-2022-4337