kernel is vulnerable to arbitrary code execution. The vulnerability exists through a use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver.
lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
www.openwall.com/lists/oss-security/2019/12/03/4
access.redhat.com/errata/RHSA-2020:3221
access.redhat.com/security/updates/classification/#important
access.redhat.com/security/vulnerabilities/grub2bootloader
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.10
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d4472d7bec39917b54e4e80245784ea5d60ce49
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9c09b214f30e3c11f9b0b03f89442df03643794d
lists.debian.org/debian-lts-announce/2020/01/msg00013.html
lists.debian.org/debian-lts-announce/2020/03/msg00001.html