{"id":"USN-4678-1","summary":"linux, linux-hwe-5.8, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi vulnerabilities","details":"It was discovered that the AMD Running Average Power Limit (RAPL) driver in\nthe Linux kernel did not properly restrict access to power data. A local\nattacker could possibly use this to expose sensitive information.\n(CVE-2020-12912)\n\nJann Horn discovered that the io_uring subsystem in the Linux kernel did\nnot properly perform reference counting in some situations. A local\nattacker could use this to expose sensitive information or possibly\nescalate privileges. (CVE-2020-29534)\n","modified":"2026-02-10T04:42:00Z","published":"2021-01-06T22:27:04Z","related":["UBUNTU-CVE-2020-12912","UBUNTU-CVE-2020-29534"],"upstream":["CVE-2020-12912","CVE-2020-29534","UBUNTU-CVE-2020-12912","UBUNTU-CVE-2020-29534"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4678-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12912"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-29534"}],"affected":[{"package":{"name":"linux-hwe-5.8","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-hwe-5.8@5.8.0-34.37~20.04.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.8.0-34.37~20.04.2"}]}],"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"],"ecosystem_specific":{"availability":"No subscription 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