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SECURITY UPDATE: Canonical Releases Another Ubuntu Linux Kernel Security Update to Fix Six Flaws

The new Linux kernel security update comes just a week after the last kernel update and is available for Ubuntu 20.10 (Groovy Gorilla), Ubuntu 20.04 LTS (Focal Fossa), and Ubuntu 18.04 LTS (Bionic Beaver) operating system series running Linux kernel 5.8 (Ubuntu 20.10) and Linux kernel 5.4 LTS (Ubuntu 20.04 and Ubuntu 18.04).

The update fixes CVE-2021-27363, CVE-2021-27364, and CVE-2021-27365, three flaws discovered by Adam Nichols in Linux kernel’s iSCSI subsystem, which could allow a local attacker to cause a denial of service (system crash) or possibly execute arbitrary code.