{"id":37538,"date":"2020-07-06T22:36:21","date_gmt":"2020-07-06T13:36:21","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-4419-1-linux-kernel-vulnerabilities\/"},"modified":"2020-07-07T06:34:04","modified_gmt":"2020-07-06T21:34:04","slug":"usn-4419-1-linux-kernel-vulnerabilities","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-4419-1-linux-kernel-vulnerabilities\/","title":{"rendered":"USN-4419-1: Linux kernel vulnerabilities"},"content":{"rendered":"<p>USN-4419-1: Linux kernel vulnerabilities<\/p>\n<p>It was discovered that a race condition existed in the Precision Time<br \/>\nProtocol (PTP) implementation in the Linux kernel, leading to a use-after-<br \/>\nfree vulnerability. A local attacker could possibly use this to cause a<br \/>\ndenial of service (system crash) or possibly execute arbitrary code.<br \/>\n(CVE-2020-10690)<\/p>\n<p>Matthew Sheets discovered that the SELinux network label handling<br \/>\nimplementation in the Linux kernel could be coerced into de-referencing a<br \/>\nNULL pointer. A remote attacker could use this to cause a denial of service<br \/>\n(system crash). (CVE-2020-10711)<\/p>\n<p>It was discovered that the DesignWare SPI controller driver in the Linux<br \/>\nkernel contained a race condition. A local attacker could possibly use this<br \/>\nto cause a denial of service (system crash). (CVE-2020-12769)<\/p>\n<p>It was discovered that the SCSI generic (sg) driver in the Linux kernel did<br \/>\nnot properly handle certain error conditions correctly. A local privileged<br \/>\nattacker could use this to cause a denial of service (system crash).<br \/>\n(CVE-2020-12770)<\/p>\n<p>It was discovered that the USB Gadget device driver in the Linux kernel did<br \/>\nnot validate arguments passed from configfs in some situations. A local<br \/>\nattacker could possibly use this to cause a denial of service (system<br \/>\ncrash) or possibly expose sensitive information. (CVE-2020-13143)<\/p>\n<p>Shijie Luo discovered that the ext4 file system implementation in the Linux<br \/>\nkernel did not properly check for a too-large journal size. An attacker<br \/>\ncould use this to construct a malicious ext4 image that, when mounted,<br \/>\ncould cause a denial of service (soft lockup). (CVE-2020-8992)<br \/>\nSource: <a href=\"https:\/\/ubuntu.com\/security\/notices\/USN-4419-1\" target=\"_blank\" rel=\"noopener noreferrer\">USN-4419-1: Linux kernel vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-4419-1: Linux kernel vulnerabilities It was discovered that a race condition existed in the Precision Time Protocol (PTP) implementation in the Linux kernel, leading to a use-after- free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2020-10690) Matthew Sheets discovered that the SELinux network label handling implementation in the Linux kernel could be coerced into de-referencing a NULL pointer. A remote attacker could use this to cause a denial of service (system crash). (CVE-2020-10711) It was discovered that the DesignWare SPI controller driver in the Linux kernel contained a race condition. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2020-12769) It was discovered that the SCSI generic (sg) driver in the Linux kernel did not properly handle certain error conditions <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-4419-1-linux-kernel-vulnerabilities\/\" title=\"USN-4419-1: Linux kernel vulnerabilities\">[ more&#8230; ]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[586],"tags":[587],"class_list":["post-37538","post","type-post","status-publish","format-standard","hentry","category-ubuntu-usn","tag-ubuntu-usn"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/37538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/comments?post=37538"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/37538\/revisions"}],"predecessor-version":[{"id":37539,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/37538\/revisions\/37539"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=37538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=37538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=37538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}