{"id":21715,"date":"2022-03-14T22:48:45","date_gmt":"2022-03-14T19:48:45","guid":{"rendered":"https:\/\/packetstormsecurity.com\/files\/166302\/USN-5323-1.txt"},"modified":"2022-03-15T14:38:43","modified_gmt":"2022-03-15T11:08:43","slug":"ubuntu-security-notice-usn-5323-1","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/ubuntu-security-notice-usn-5323-1\/","title":{"rendered":"Ubuntu Security Notice USN-5323-1"},"content":{"rendered":"<p dir=\"ltr\">==========================================================================<br \/>\nUbuntu Security Notice USN-5323-1<br \/>\nMarch 14, 2022<\/p>\n<p dir=\"ltr\">nbd vulnerabilities<br \/>\n==========================================================================<\/p>\n<p dir=\"ltr\">A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n<p dir=\"ltr\">&#8211; Ubuntu 21.10<br \/>\n&#8211; Ubuntu 20.04 LTS<br \/>\n&#8211; Ubuntu 18.04 LTS<\/p>\n<p dir=\"ltr\">Summary:<\/p>\n<p dir=\"ltr\">Several security issues were fixed in NBD.<\/p>\n<p dir=\"ltr\">Software Description:<br \/>\n&#8211; nbd: Network Block Device protocol<\/p>\n<p dir=\"ltr\">Details:<\/p>\n<p dir=\"ltr\">It was discovered that NBD incorrectly handled name length fields. A remote<br \/>\nattacker could use this issue to cause NBD to crash, resulting in a denial<br \/>\nof service, or possibly execute arbitrary code.<\/p>\n<p dir=\"ltr\">Update instructions:<\/p>\n<p dir=\"ltr\">The problem can be corrected by updating your system to the following<br \/>\npackage versions:<\/p>\n<p dir=\"ltr\">Ubuntu 21.10:<br \/>\nnbd-server 1:3.21-1ubuntu0.1<\/p>\n<p dir=\"ltr\">Ubuntu 20.04 LTS:<br \/>\nnbd-server 1:3.20-1ubuntu0.1<\/p>\n<p dir=\"ltr\">Ubuntu 18.04 LTS:<br \/>\nnbd-server 1:3.16.2-1ubuntu0.2<\/p>\n<p dir=\"ltr\">In general, a standard system update will make all the necessary changes.<\/p>\n<p dir=\"ltr\">References:<br \/>\nhttps:\/\/ubuntu.com\/security\/notices\/USN-5323-1<br \/>\nCVE-2022-26495, CVE-2022-26496<\/p>\n<p dir=\"ltr\">Package Information:<br \/>\nhttps:\/\/launchpad.net\/ubuntu\/+source\/nbd\/1:3.21-1ubuntu0.1<br \/>\nhttps:\/\/launchpad.net\/ubuntu\/+source\/nbd\/1:3.20-1ubuntu0.1<br \/>\nhttps:\/\/launchpad.net\/ubuntu\/+source\/nbd\/1:3.16.2-1ubuntu0.2<\/p>\n","protected":false},"excerpt":{"rendered":"<p>========================================================================== Ubuntu Security Notice USN-5323-1 March 14, 2022 nbd vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: &#8211; Ubuntu 21.10 &#8211; Ubuntu 20.04 LTS &#8211; Ubuntu 18.04 LTS Summary: Several security issues were fixed in NBD. Software Description: &#8211; nbd: Network Block Device protocol Details: It was discovered that NBD &hellip;<\/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-21715","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/21715","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=21715"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/21715\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=21715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=21715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=21715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}