CLSA-2023-1690395540 Fix of 12 CVEs

Bionic update: upstream stable patchset 2021-11-12 LP: 1950816 // CVE- url: https://ubuntu.com/security/CVE-2021-20321 - ovl: fix missing negative dentry check in ovlrename CVE-url: https://ubuntu.com/security/CVE-2021-20321 - ovl: cleanup unused var in rename2 Jammy update: v5.15.93 upstream...

SUSE CVE-2021-3753

A race problem was seen in the vtkioctl in drivers/tty/vt/vtioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vcmode is not protected by lock-in vtioctl KDSETMDE. The highest threat from this vulnerability is to data confidentiality...