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Canonical has published new Linux kernel security updates for all of its supported Ubuntu OS releases addressing up to six security vulnerabilities affecting all supported kernels. Patch now! . The most important flaw patched in this new Ubuntu kernel security update is CVE-2021-3178, which was discovered in Linux kernel’s NFS implementation and affects the Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 16.04 LTS releases. This could allow a remote attacker to bypass NFS access restrictions and traverse to other parts of the filesystem via READDIRPLUS when there’s an NFS export of a subdirectory of a file system. The link for this article located at 9 to 5 Linux is no longer available. . Canonical addresses seven essential vulnerabilities in Linux kernel on Ubuntu distributions. Keep your systems patched for enhanced security.. Ubuntu Kernel Security, Linux Updates, Canonical Patches, NFS Issue, Kernel Fixes. . Brittany Day
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