{"id":"USN-5677-1","summary":"linux-gcp, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities","details":"It was discovered that the BPF verifier in the Linux kernel did not\nproperly handle internal data structures. A local attacker could use this\nto expose sensitive information (kernel memory). (CVE-2021-4159)\n\nIt was discovered that an out-of-bounds write vulnerability existed in the\nVideo for Linux 2 (V4L2) implementation in the Linux kernel. A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2022-20369)\n\nDuoming Zhou discovered that race conditions existed in the timer handling\nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in\nuse-after-free vulnerabilities. A local attacker could use this to cause a\ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monné discovered that the Xen virtual block driver in the Linux\nkernel did not properly initialize memory pages to be used for shared\ncommunication with the backend. A local attacker could use this to expose\nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nPawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan\nand Ariel Sabba discovered that some Intel processors with Enhanced\nIndirect Branch Restricted Speculation (eIBRS) did not properly handle RET\ninstructions after a VM exits. A local attacker could potentially use this\nto expose sensitive information. (CVE-2022-26373)\n\nEric Biggers discovered that a use-after-free vulnerability existed in the\nio_uring subsystem in the Linux kernel. A local attacker could possibly use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2022-3176)\n\nRoger Pau Monné discovered that the Xen paravirtualization frontend in the\nLinux kernel did not properly initialize memory pages to be used for shared\ncommunication with the backend. A local attacker could use this to expose\nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux\nkernel incorrectly shared unrelated data when communicating with certain\nbackends. A local attacker could use this to cause a denial of service\n(guest crash) or expose sensitive information (guest kernel memory).\n(CVE-2022-33741, CVE-2022-33742)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in\nthe Linux kernel on ARM platforms contained a race condition in certain\nsituations. An attacker in a guest VM could use this to cause a denial of\nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the Netlink Transformation (XFRM) subsystem in the\nLinux kernel contained a reference counting error. A local attacker could\nuse this to cause a denial of service (system crash). (CVE-2022-36879)\n\n","modified":"2026-02-10T04:42:48Z","published":"2022-10-13T19:43:51Z","related":["UBUNTU-CVE-2021-4159","UBUNTU-CVE-2022-20369","UBUNTU-CVE-2022-2318","UBUNTU-CVE-2022-26365","UBUNTU-CVE-2022-26373","UBUNTU-CVE-2022-3176","UBUNTU-CVE-2022-33740","UBUNTU-CVE-2022-33741","UBUNTU-CVE-2022-33742","UBUNTU-CVE-2022-33744","UBUNTU-CVE-2022-36879"],"upstream":["CVE-2021-4159","CVE-2022-20369","CVE-2022-2318","CVE-2022-26365","CVE-2022-26373","CVE-2022-3176","CVE-2022-33740","CVE-2022-33741","CVE-2022-33742","CVE-2022-33744","CVE-2022-36879","UBUNTU-CVE-2021-4159","UBUNTU-CVE-2022-20369","UBUNTU-CVE-2022-2318","UBUNTU-CVE-2022-26365","UBUNTU-CVE-2022-26373","UBUNTU-CVE-2022-3176","UBUNTU-CVE-2022-33740","UBUNTU-CVE-2022-33741","UBUNTU-CVE-2022-33742","UBUNTU-CVE-2022-33744","UBUNTU-CVE-2022-36879"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5677-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-4159"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-2318"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-3176"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-20369"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-26365"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-26373"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-33740"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-33741"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-33742"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-33744"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-36879"}],"affected":[{"package":{"name":"linux-oracle-5.4","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-oracle-5.4@5.4.0-1084.92~18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1084.92~18.04.1"}]}],"versions":["5.4.0-1019.19~18.04.1","5.4.0-1021.21~18.04.1","5.4.0-1022.22~18.04.1","5.4.0-1024.24~18.04.1","5.4.0-1025.25~18.04.1","5.4.0-1028.29~18.04.1","5.4.0-1029.31~18.04.1","5.4.0-1030.32~18.04.1","5.4.0-1033.35","5.4.0-1034.36~18.04.1","5.4.0-1035.38~18.04.1","5.4.0-1037.40~18.04.1","5.4.0-1038.41~18.04.1","5.4.0-1039.42~18.04.1","5.4.0-1041.44~18.04.1","5.4.0-1042.45~18.04.1","5.4.0-1043.46~18.04.1","5.4.0-1044.47~18.04.1","5.4.0-1046.50~18.04.2","5.4.0-1048.52~18.04.1","5.4.0-1049.53~18.04.1","5.4.0-1052.56~18.04.1","5.4.0-1053.57~18.04.1","5.4.0-1054.58~18.04.1","5.4.0-1055.59~18.04.1","5.4.0-1056.60~18.04.1","5.4.0-1057.61~18.04.1","5.4.0-1058.62~18.04.1","5.4.0-1059.63~18.04.1","5.4.0-1061.65~18.04.1","5.4.0-1062.66~18.04.1","5.4.0-1063.67~18.04.1","5.4.0-1064.68~18.04.1","5.4.0-1066.71~18.04.1","5.4.0-1067.72~18.04.1","5.4.0-1069.75~18.04.1","5.4.0-1070.76~18.04.1","5.4.0-1071.77~18.04.1","5.4.0-1073.79~18.04.1","5.4.0-1076.83~18.04.1","5.4.0-1078.86~18.04.1","5.4.0-1079.87~18.04.1","5.4.0-1081.89~18.04.1","5.4.0-1082.90~18.04.1","5.4.0-1083.91~18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.4.0-1084.92~18.04.1","binary_name":"linux-buildinfo-5.4.0-1084-oracle"},{"binary_version":"5.4.0-1084.92~18.04.1","binary_name":"linux-headers-5.4.0-1084-oracle"},{"binary_version":"5.4.0-1084.92~18.04.1","binary_name":"linux-image-unsigned-5.4.0-1084-oracle"},{"binary_version":"5.4.0-1084.92~18.04.1","binary_name":"linux-modules-5.4.0-1084-oracle"},{"binary_version":"5.4.0-1084.92~18.04.1","binary_name":"linux-modules-extra-5.4.0-1084-oracle"},{"binary_version":"5.4.0-1084.92~18.04.1","binary_name":"linux-oracle-5.4-headers-5.4.0-1084"},{"binary_version":"5.4.0-1084.92~18.04.1","binary_name":"linux-oracle-5.4-tools-5.4.0-1084"},{"binary_version":"5.4.0-1084.92~18.04.1","binary_name":"linux-tools-5.4.0-1084-oracle"}],"availability":"No 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