{"id":51085,"date":"2023-04-25T22:25:40","date_gmt":"2023-04-25T13:25:40","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-6040-1-linux-kernel-hwe-vulnerabilities\/"},"modified":"2023-04-26T00:34:11","modified_gmt":"2023-04-25T15:34:11","slug":"usn-6040-1-linux-kernel-hwe-vulnerabilities","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-6040-1-linux-kernel-hwe-vulnerabilities\/","title":{"rendered":"USN-6040-1: Linux kernel (HWE) vulnerabilities"},"content":{"rendered":"<p>USN-6040-1: Linux kernel (HWE) vulnerabilities<\/p>\n<p>It was discovered that the Traffic-Control Index (TCINDEX) implementation<br \/>\nin the Linux kernel contained a use-after-free vulnerability. A local<br \/>\nattacker could use this to cause a denial of service (system crash) or<br \/>\npossibly execute arbitrary code. (CVE-2023-1281)<\/p>\n<p>It was discovered that the OverlayFS implementation in the Linux kernel did<br \/>\nnot properly handle copy up operation in some conditions. A local attacker<br \/>\ncould possibly use this to gain elevated privileges. (CVE-2023-0386)<\/p>\n<p>Haowei Yan discovered that a race condition existed in the Layer 2<br \/>\nTunneling Protocol (L2TP) implementation in the Linux kernel. A local<br \/>\nattacker could possibly use this to cause a denial of service (system<br \/>\ncrash). (CVE-2022-4129)<\/p>\n<p>It was discovered that the network queuing discipline implementation in the<br \/>\nLinux kernel contained a null pointer dereference in some situations. A<br \/>\nlocal attacker could use this to cause a denial of service (system crash).<br \/>\n(CVE-2022-47929)<\/p>\n<p>It was discovered that the NTFS file system implementation in the Linux<br \/>\nkernel contained a null pointer dereference in some situations. A local<br \/>\nattacker could use this to cause a denial of service (system crash).<br \/>\n(CVE-2022-4842)<\/p>\n<p>Kyle Zeng discovered that the IPv6 implementation in the Linux kernel<br \/>\ncontained a NULL pointer dereference vulnerability in certain situations. A<br \/>\nlocal attacker could use this to cause a denial of service (system crash).<br \/>\n(CVE-2023-0394)<\/p>\n<p>It was discovered that the Human Interface Device (HID) support driver in<br \/>\nthe Linux kernel contained a type confusion vulnerability in some<br \/>\nsituations. A local attacker could use this to cause a denial of service<br \/>\n(system crash). (CVE-2023-1073)<\/p>\n<p>It was discovered that a memory leak existed in the SCTP protocol<br \/>\nimplementation in the Linux kernel. A local attacker could use this to<br \/>\ncause a denial of service (memory exhaustion). (CVE-2023-1074)<\/p>\n<p>It was discovered that the NFS implementation in the Linux kernel did not<br \/>\nproperly handle pending tasks in some situations. A local attacker could<br \/>\nuse this to cause a denial of service (system crash) or expose sensitive<br \/>\ninformation (kernel memory). (CVE-2023-1652)<\/p>\n<p>Lianhui Tang discovered that the MPLS implementation in the Linux kernel<br \/>\ndid not properly handle certain sysctl allocation failure conditions,<br \/>\nleading to a double-free vulnerability. An attacker could use this to cause<br \/>\na denial of service or possibly execute arbitrary code. (CVE-2023-26545)<br \/>\nSource: <a href=\"https:\/\/ubuntu.com\/security\/notices\/USN-6040-1\" target=\"_blank\" rel=\"noopener\">USN-6040-1: Linux kernel (HWE) vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-6040-1: Linux kernel (HWE) vulnerabilities It was discovered that the Traffic-Control Index (TCINDEX) implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-1281) It was discovered that the OverlayFS implementation in the Linux kernel did not properly handle copy up operation in some conditions. A local attacker could possibly use this to gain elevated privileges. (CVE-2023-0386) Haowei Yan discovered that a race condition existed in the Layer 2 Tunneling Protocol (L2TP) implementation in the Linux kernel. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-4129) It was discovered that the network queuing discipline implementation in the Linux kernel contained a null pointer dereference in some situations. A local attacker could use this to cause <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-6040-1-linux-kernel-hwe-vulnerabilities\/\" title=\"USN-6040-1: Linux kernel (HWE) 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-51085","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\/51085","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=51085"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/51085\/revisions"}],"predecessor-version":[{"id":51086,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/51085\/revisions\/51086"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=51085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=51085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=51085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}