==========================================================================
\nUbuntu Security Notice USN-6690-1
\nMarch 12, 2024<\/p>\n
openvswitch vulnerabilities
\n==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 23.10
\n– Ubuntu 22.04 LTS
\n– Ubuntu 20.04 LTS<\/p>\n
Summary:<\/p>\n
Several security issues were fixed in Open vSwitch.<\/p>\n
Software Description:
\n– openvswitch: Ethernet virtual switch<\/p>\n
Details:<\/p>\n
Timothy Redaelli and Haresh Khandelwal discovered that Open vSwitch
\nincorrectly handled certain crafted Geneve packets when hardware offloading
\nvia the netlink path is enabled. A remote attacker could possibly use this
\nissue to cause Open vSwitch to crash, leading to a denial of service.
\n(CVE-2023-3966)<\/p>\n
It was discovered that Open vSwitch incorrectly handled certain ICMPv6
\nNeighbor Advertisement packets. A remote attacker could possibly use this
\nissue to redirect traffic to arbitrary IP addresses. (CVE-2023-5366)<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
\npackage versions:<\/p>\n
Ubuntu 23.10:
\nopenvswitch-common 3.2.2-0ubuntu0.23.10.1
\npython3-openvswitch 3.2.2-0ubuntu0.23.10.1<\/p>\n
Ubuntu 22.04 LTS:
\nopenvswitch-common 2.17.9-0ubuntu0.22.04.1
\npython3-openvswitch 2.17.9-0ubuntu0.22.04.1<\/p>\n
Ubuntu 20.04 LTS:
\nopenvswitch-common 2.13.8-0ubuntu1.4
\npython3-openvswitch 2.13.8-0ubuntu1.4<\/p>\n
This update uses a new upstream release, which includes additional bug
\nfixes. In general, a standard system update will make all the necessary
\nchanges.<\/p>\n
References:
\nhttps:\/\/ubuntu.com\/security\/notices\/USN-6690-1
\nCVE-2023-3966, CVE-2023-5366<\/p>\n
Package Information:
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/openvswitch\/3.2.2-0ubuntu0.23.10.1
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/openvswitch\/2.17.9-0ubuntu0.22.04.1
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/openvswitch\/2.13.8-0ubuntu1.4<\/p>\n","protected":false},"excerpt":{"rendered":"
========================================================================== 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 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-55322","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/55322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=55322"}],"version-history":[{"count":1,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/55322\/revisions"}],"predecessor-version":[{"id":55358,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/55322\/revisions\/55358"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=55322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=55322"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=55322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}