========================================================================== Ubuntu Security Notice USN-6690-1 March 12, 2024
openvswitch vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in Open vSwitch. Software Description: - openvswitch: Ethernet virtual switch Details: Timothy Redaelli and Haresh Khandelwal discovered that Open vSwitch incorrectly handled certain crafted Geneve packets when hardware offloading via the netlink path is enabled. A remote attacker could possibly use this issue to cause Open vSwitch to crash, leading to a denial of service. (CVE-2023-3966) It was discovered that Open vSwitch incorrectly handled certain ICMPv6 Neighbor Advertisement packets. A remote attacker could possibly use this issue to redirect traffic to arbitrary IP addresses. (CVE-2023-5366) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: openvswitch-common 3.2.2-0ubuntu0.23.10.1 python3-openvswitch 3.2.2-0ubuntu0.23.10.1 Ubuntu 22.04 LTS: openvswitch-common 2.17.9-0ubuntu0.22.04.1 python3-openvswitch 2.17.9-0ubuntu0.22.04.1 Ubuntu 20.04 LTS: openvswitch-common 2.13.8-0ubuntu1.4 python3-openvswitch 2.13.8-0ubuntu1.4 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6690-1 CVE-2023-3966, CVE-2023-5366 Package Information: https://launchpad.net/ubuntu/+source/openvswitch/3.2.2-0ubuntu0.23.10.1 https://launchpad.net/ubuntu/+source/openvswitch/2.17.9-0ubuntu0.22.04.1 https://launchpad.net/ubuntu/+source/openvswitch/2.13.8-0ubuntu1.4
OpenPGP_signature.asc
Description: OpenPGP digital signature
