==========================================================================
\nUbuntu Security Notice USN-5304-1
\nFebruary 28, 2022<\/p>\n
policykit-1 vulnerability
\n==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 21.10
\n– Ubuntu 20.04 LTS<\/p>\n
Summary:<\/p>\n
policykit-1 could be made to crash if it received specially crafted data.<\/p>\n
Software Description:
\n– policykit-1: framework for managing administrative policies and privileges<\/p>\n
Details:<\/p>\n
Kevin Backhouse discovered that PolicyKit incorrectly handled file
\ndescriptors. A local attacker could possibly use this issue to cause
\nPolicyKit to crash, resulting in a denial of service.<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
\npackage versions:<\/p>\n
Ubuntu 21.10:
\npolicykit-1 0.105-31ubuntu0.2<\/p>\n
Ubuntu 20.04 LTS:
\npolicykit-1 0.105-26ubuntu1.3<\/p>\n
In general, a standard system update will make all the necessary changes.<\/p>\n
References:
\nhttps:\/\/ubuntu.com\/security\/notices\/USN-5304-1
\nCVE-2021-4115<\/p>\n
Package Information:
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/policykit-1\/0.105-31ubuntu0.2
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/policykit-1\/0.105-26ubuntu1.3<\/p>\n","protected":false},"excerpt":{"rendered":"
========================================================================== Ubuntu Security Notice USN-5304-1 February 28, 2022 policykit-1 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 21.10 – Ubuntu 20.04 LTS Summary: policykit-1 could be made to crash if it received specially crafted data. Software Description: – policykit-1: framework for managing administrative policies and privileges Details: Kevin …<\/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-21127","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/21127","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=21127"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/21127\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=21127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=21127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=21127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}