Admins running Ubuntu, some Red Hat systems, Debian, and other distros are advised to patch a moderately serious memory corruption flaw affecting the n_tty_write function in the Linux kernel up to ...

Unfortunately, Red Hat's patch to GRUB2 and the kernel, once applied, are leaving patched systems unbootable. The issue is confirmed to affect RHEL 7.8 and RHEL 8.2, and it may affect RHEL 8.1 and ...