{"id":"USN-4983-1","summary":"linux-oem-5.10 vulnerabilities","details":"Piotr Krysiuk discovered that the eBPF implementation in the Linux kernel\ndid not properly enforce limits for pointer operations. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2021-33200)\n\nPiotr Krysiuk and Benedict Schlueter discovered that the eBPF\nimplementation in the Linux kernel performed out of bounds speculation on\npointer arithmetic. A local attacker could use this to expose sensitive\ninformation. (CVE-2021-29155)\n\nPiotr Krysiuk discovered that the eBPF implementation in the Linux kernel\ndid not properly prevent speculative loads in certain situations. A local\nattacker could use this to expose sensitive information (kernel memory).\n(CVE-2021-31829)\n\nReiji Watanabe discovered that the KVM VMX implementation in the Linux\nkernel did not properly prevent user space from tampering with an array\nindex value, leading to a potential out-of-bounds write. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2021-3501)\n","modified":"2026-04-24T09:32:38.815428414Z","published":"2021-06-03T20:43:59Z","related":["UBUNTU-CVE-2021-29155","UBUNTU-CVE-2021-31829","UBUNTU-CVE-2021-33200","UBUNTU-CVE-2021-3501"],"upstream":["CVE-2021-33200","CVE-2021-3501","UBUNTU-CVE-2021-33200","UBUNTU-CVE-2021-3501"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4983-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3501"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33200"}],"affected":[{"package":{"name":"linux-oem-5.10","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-oem-5.10@5.10.0-1029.30?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.10.0-1029.30"}]}],"versions":["5.10.0-1008.9","5.10.0-1011.12","5.10.0-1013.14","5.10.0-1014.15","5.10.0-1016.17","5.10.0-1017.18","5.10.0-1019.20","5.10.0-1021.22","5.10.0-1022.23","5.10.0-1023.24","5.10.0-1025.26","5.10.0-1026.27"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"linux-buildinfo-5.10.0-1029-oem","binary_version":"5.10.0-1029.30"},{"binary_name":"linux-headers-5.10.0-1029-oem","binary_version":"5.10.0-1029.30"},{"binary_name":"linux-image-unsigned-5.10.0-1029-oem","binary_version":"5.10.0-1029.30"},{"binary_name":"linux-modules-5.10.0-1029-oem","binary_version":"5.10.0-1029.30"},{"binary_name":"linux-oem-5.10-headers-5.10.0-1029","binary_version":"5.10.0-1029.30"},{"binary_name":"linux-oem-5.10-tools-5.10.0-1029","binary_version":"5.10.0-1029.30"},{"binary_name":"linux-oem-5.10-tools-host","binary_version":"5.10.0-1029.30"},{"binary_name":"linux-tools-5.10.0-1029-oem","binary_version":"5.10.0-1029.30"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4983-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-3501"}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.5"}