{"id":"USN-4879-1","summary":"linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oracle, linux-raspi vulnerabilities","details":"It was discovered that the Marvell WiFi-Ex device driver in the Linux\nkernel did not properly validate ad-hoc SSIDs. A local attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2020-36158)\n\nLoris Reiff discovered that the BPF implementation in the Linux kernel did\nnot properly validate attributes in the getsockopt BPF hook. A local\nattacker could possibly use this to cause a denial of service (system\ncrash). (CVE-2021-20194)\n","modified":"2026-04-27T15:49:28.130024Z","published":"2021-03-16T06:51:28Z","related":["UBUNTU-CVE-2020-36158","UBUNTU-CVE-2021-20194"],"upstream":["CVE-2020-36158","CVE-2021-20194","UBUNTU-CVE-2020-36158","UBUNTU-CVE-2021-20194"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4879-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36158"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-20194"}],"affected":[{"package":{"name":"linux-hwe-5.8","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-hwe-5.8@5.8.0-45.51~20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.8.0-45.51~20.04.1"}]}],"versions":["5.8.0-23.24~20.04.1","5.8.0-25.26~20.04.1","5.8.0-28.30~20.04.1","5.8.0-29.31~20.04.1","5.8.0-31.33~20.04.1","5.8.0-33.36~20.04.1","5.8.0-34.37~20.04.2","5.8.0-36.40~20.04.1","5.8.0-38.43~20.04.1","5.8.0-40.45~20.04.1","5.8.0-41.46~20.04.1","5.8.0-43.49~20.04.1","5.8.0-44.50~20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"block-modules-5.8.0-45-generic-64k-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"block-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"block-modules-5.8.0-45-generic-lpae-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"crypto-modules-5.8.0-45-generic-64k-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"crypto-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"crypto-modules-5.8.0-45-generic-lpae-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"dasd-extra-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"dasd-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fat-modules-5.8.0-45-generic-64k-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fat-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fat-modules-5.8.0-45-generic-lpae-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fb-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"firewire-core-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"floppy-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fs-core-modules-5.8.0-45-generic-64k-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fs-core-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fs-core-modules-5.8.0-45-generic-lpae-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fs-secondary-modules-5.8.0-45-generic-64k-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fs-secondary-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"fs-secondary-modules-5.8.0-45-generic-lpae-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"input-modules-5.8.0-45-generic-64k-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"input-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"input-modules-5.8.0-45-generic-lpae-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"ipmi-modules-5.8.0-45-generic-64k-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"ipmi-modules-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"ipmi-modules-5.8.0-45-generic-lpae-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"kernel-image-5.8.0-45-generic-64k-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"kernel-image-5.8.0-45-generic-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"kernel-image-5.8.0-45-generic-lpae-di"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-buildinfo-5.8.0-45-generic"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-buildinfo-5.8.0-45-generic-64k"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-buildinfo-5.8.0-45-generic-lpae"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-buildinfo-5.8.0-45-lowlatency"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-cloud-tools-5.8.0-45-generic"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-cloud-tools-5.8.0-45-lowlatency"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-headers-5.8.0-45-generic"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-headers-5.8.0-45-generic-64k"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-headers-5.8.0-45-generic-lpae"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-headers-5.8.0-45-lowlatency"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-hwe-5.8-cloud-tools-5.8.0-45"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-hwe-5.8-cloud-tools-common"},{"binary_version":"5.8.0-45.51~20.04.1","binary_name":"linux-hwe-5.8-headers-5.8.0-45"},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