{"id":12176,"date":"2019-12-04T01:25:00","date_gmt":"2019-12-03T23:25:00","guid":{"rendered":"http:\/\/159.69.82.204\/win\/?p=12176"},"modified":"2019-12-03T18:32:52","modified_gmt":"2019-12-03T17:32:52","slug":"schwachstelle-cve-2019-19377-im-linux-kernel-5-0-21","status":"publish","type":"post","link":"https:\/\/borncity.com\/win\/2019\/12\/04\/schwachstelle-cve-2019-19377-im-linux-kernel-5-0-21\/","title":{"rendered":"Vulnerability CVE-2019-19377 in Linux Kernel 5.0.21"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" style=\"float: left; margin: 0px 10px 0px 0px; display: inline\" src=\"https:\/\/www.borncity.com\/blog\/wp-content\/uploads\/2015\/01\/Schutz.jpg\" width=\"40\" align=\"left\" height=\"47\">The Linux kernel 5.0.21 contains a use after free vulnerability <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2019-19377\" target=\"_blank\" rel=\"noopener noreferrer\">CVE-2019-19377<\/a>. The vulnerability documented on 29.11.2019 with a CVE number is currently awaiting analysis. <\/p>\n<p><!--more--><\/p>\n<p>The following tweet mentions to the vulnerability <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2019-19377\" target=\"_blank\" rel=\"noopener noreferrer\">CVE-2019-19377<\/a> in the Linux kernel 5.0.21. <\/p>\n<blockquote class=\"twitter-tweet\">\n<p lang=\"en\" dir=\"ltr\">CVE-2019-19377 | In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, a | | <a href=\"https:\/\/twitter.com\/hashtag\/Exploit?src=hash&amp;ref_src=twsrc%5Etfw\">#Exploit<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/Vulnerability?src=hash&amp;ref_src=twsrc%5Etfw\">#Vulnerability<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/InfoSec?src=hash&amp;ref_src=twsrc%5Etfw\">#InfoSec<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/Hackers?src=hash&amp;ref_src=twsrc%5Etfw\">#Hackers<\/a><\/p>\n<p>\u2014 ZeroSecVulns (@ZeroSecVulns) <a href=\"https:\/\/twitter.com\/ZeroSecVulns\/status\/1201868449267494912?ref_src=twsrc%5Etfw\">December 3, 2019<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script> <\/p>\n<p>The problem: The Linux kernel 5.0.21 has a use-after-free vulnerability which can be exploited by operations like mounting a prepared btrfs file system image, performing some operations and unmounting. The error is in<em> btrfs_queue_work <\/em>in <em>fs\/btrfs\/async-thread.c<\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Linux kernel 5.0.21 contains a use after free vulnerability CVE-2019-19377. The vulnerability documented on 29.11.2019 with a CVE number is currently awaiting analysis.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[921,580],"tags":[637,69],"class_list":["post-12176","post","type-post","status-publish","format-standard","hentry","category-linux","category-security","tag-linux","tag-security"],"_links":{"self":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts\/12176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/comments?post=12176"}],"version-history":[{"count":0,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts\/12176\/revisions"}],"wp:attachment":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/media?parent=12176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/categories?post=12176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/tags?post=12176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}