Linux kernel built with the virtual console support(CONFIG_VT) is vulnerable to a NULL pointer dereference issue. It could occur while accessing pseudo terminal device(/dev/pts/*) files. An unprivileged user could use this flaw to crash the system kernel resulting in DoS. Upstream fix: ------------- -> https://git.kernel.org/linus/c290f8358acaeffd8e0c551ddcc24d1206143376
Statement: This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 7 and Red Hat Enterprise MRG 2. This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 6. Future kernel updates for Red Hat Enterprise Linux 6 may address this issue.
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2015:1221 https://rhn.redhat.com/errata/RHSA-2015-1221.html