{"id":51671,"date":"2023-06-02T03:54:49","date_gmt":"2023-06-01T18:54:49","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-6132-1-linux-kernel-vulnerabilities\/"},"modified":"2023-06-02T04:34:09","modified_gmt":"2023-06-01T19:34:09","slug":"usn-6132-1-linux-kernel-vulnerabilities","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-6132-1-linux-kernel-vulnerabilities\/","title":{"rendered":"USN-6132-1: Linux kernel vulnerabilities"},"content":{"rendered":"<p>USN-6132-1: Linux kernel vulnerabilities<\/p>\n<p>Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in<br \/>\nthe netfilter subsystem of the Linux kernel when processing batch requests,<br \/>\nleading to a use-after-free vulnerability. A local attacker could use this<br \/>\nto cause a denial of service (system crash) or possibly execute arbitrary<br \/>\ncode. (CVE-2023-32233)<\/p>\n<p>Gwangun Jung discovered that the Quick Fair Queueing scheduler<br \/>\nimplementation in the Linux kernel contained an out-of-bounds write<br \/>\nvulnerability. A local attacker could use this to cause a denial of service<br \/>\n(system crash) or possibly execute arbitrary code. (CVE-2023-31436)<\/p>\n<p>Reima Ishii discovered that the nested KVM implementation for Intel x86<br \/>\nprocessors in the Linux kernel did not properly validate control registers<br \/>\nin certain situations. An attacker in a guest VM could use this to cause a<br \/>\ndenial of service (guest crash). (CVE-2023-30456)<\/p>\n<p>It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux<br \/>\nkernel did not properly perform data buffer size validation in some<br \/>\nsituations. A physically proximate attacker could use this to craft a<br \/>\nmalicious USB device that when inserted, could cause a denial of service<br \/>\n(system crash) or possibly expose sensitive information. (CVE-2023-1380)<\/p>\n<p>Zheng Wang discovered that the Intel i915 graphics driver in the Linux<br \/>\nkernel did not properly handle certain error conditions, leading to a<br \/>\ndouble-free. A local attacker could possibly use this to cause a denial of<br \/>\nservice (system crash). (CVE-2022-3707)<\/p>\n<p>Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did<br \/>\nnot properly implement speculative execution barriers in usercopy functions<br \/>\nin certain situations. A local attacker could use this to expose sensitive<br \/>\ninformation (kernel memory). (CVE-2023-0459)<\/p>\n<p>It was discovered that the TLS subsystem in the Linux kernel contained a<br \/>\ntype confusion vulnerability in some situations. A local attacker could use<br \/>\nthis to cause a denial of service (system crash) or possibly expose<br \/>\nsensitive information. (CVE-2023-1075)<\/p>\n<p>It was discovered that the Reliable Datagram Sockets (RDS) protocol<br \/>\nimplementation in the Linux kernel contained a type confusion vulnerability<br \/>\nin some situations. An attacker could use this to cause a denial of service<br \/>\n(system crash). (CVE-2023-1078)<\/p>\n<p>Xingyuan Mo discovered that the x86 KVM implementation in the Linux kernel<br \/>\ndid not properly initialize some data structures. A local attacker could<br \/>\nuse this to expose sensitive information (kernel memory). (CVE-2023-1513)<\/p>\n<p>It was discovered that a use-after-free vulnerability existed in the iSCSI<br \/>\nTCP implementation in the Linux kernel. A local attacker could possibly use<br \/>\nthis to cause a denial of service (system crash). (CVE-2023-2162)<\/p>\n<p>Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu<br \/>\nLinux kernel contained a race condition when handling inode locking in some<br \/>\nsituations. A local attacker could use this to cause a denial of service<br \/>\n(kernel deadlock). (CVE-2023-2612)<\/p>\n<p>It was discovered that the NET\/ROM protocol implementation in the Linux<br \/>\nkernel contained a race condition in some situations, leading to a use-<br \/>\nafter-free vulnerability. A local attacker could use this to cause a denial<br \/>\nof service (system crash) or possibly execute arbitrary code.<br \/>\n(CVE-2023-32269)<\/p>\n<p>Duoming Zhou discovered that a race condition existed in the infrared<br \/>\nreceiver\/transceiver driver in the Linux kernel, leading to a use-after-<br \/>\nfree vulnerability. A privileged attacker could use this to cause a denial<br \/>\nof service (system crash) or possibly execute arbitrary code.<br \/>\n(CVE-2023-1118)<br \/>\nSource: <a href=\"https:\/\/ubuntu.com\/security\/notices\/USN-6132-1\" target=\"_blank\" rel=\"noopener\">USN-6132-1: Linux kernel vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-6132-1: Linux kernel vulnerabilities Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to 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-2023-32233) Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-31436) Reima Ishii discovered that the nested KVM implementation for Intel x86 processors in the Linux kernel did not properly validate control registers in certain situations. An attacker in a guest VM could use this to cause a denial of service (guest crash). (CVE-2023-30456) It was discovered that the Broadcom <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-6132-1-linux-kernel-vulnerabilities\/\" title=\"USN-6132-1: 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-51671","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\/51671","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=51671"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/51671\/revisions"}],"predecessor-version":[{"id":51672,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/51671\/revisions\/51672"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=51671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=51671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=51671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}