kernel is vulnerable to Denial of Service (DoS) attacks. A race condition may lead to a NULL pointer dereference and general protection fault via VT_RESIZEX ioctl
, resulting in an application crash.
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.7_release_notes/index
access.redhat.com/errata/RHSA-2022:7444
access.redhat.com/security/updates/classification/#moderate
access.redhat.com/solutions/6971358
bugzilla.redhat.com/show_bug.cgi?id=2112693
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6cd1ed50efd88261298577cd92a14f2768eddeeb