Linux kernel is vulnerable to denial of service (DoS) attacks. The vulnerability exists in the Linux kernelโs random number generator API. Attackers could cause a denial of service because of a null pointer dereference in the rngapi_reset function.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6
access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.5_Release_Notes/index.html
access.redhat.com/errata/RHSA-2018:0676
access.redhat.com/errata/RHSA-2018:1062
access.redhat.com/security/cve/CVE-2017-13305
access.redhat.com/security/cve/CVE-2017-15116
access.redhat.com/security/cve/CVE-2017-15274
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1292927
bugzilla.redhat.com/show_bug.cgi?id=1401061
bugzilla.redhat.com/show_bug.cgi?id=1430418
bugzilla.redhat.com/show_bug.cgi?id=1448770
bugzilla.redhat.com/show_bug.cgi?id=1452589
bugzilla.redhat.com/show_bug.cgi?id=1462329
bugzilla.redhat.com/show_bug.cgi?id=1485815
bugzilla.redhat.com/show_bug.cgi?id=1500894
bugzilla.redhat.com/show_bug.cgi?id=1503749
bugzilla.redhat.com/show_bug.cgi?id=1506255
bugzilla.redhat.com/show_bug.cgi?id=1507270
bugzilla.redhat.com/show_bug.cgi?id=1509264
bugzilla.redhat.com/show_bug.cgi?id=1514609
bugzilla.redhat.com/show_bug.cgi?id=1518274
bugzilla.redhat.com/show_bug.cgi?id=1518638
github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6