Linux kernel is vulnerable to denial of service(DoS) attacks. This is because Salsa20 encryption algorithm does not correctly handle zero-length inputs. This allows a local attacker to use the AF_ALG-based skcipher interface to cause a denial of service (uninitialized-memory free and kernel crash) or have an unspecified other impact by executing a crafted sequence on the system.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ecaaab5649781c5a0effdaf298a925063020500e
lists.opensuse.org/opensuse-security-announce/2018-01/msg00006.html
lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
lists.opensuse.org/opensuse-security-announce/2018-01/msg00008.html
lists.opensuse.org/opensuse-security-announce/2018-01/msg00014.html
lists.opensuse.org/opensuse-security-announce/2018-01/msg00016.html
www.securityfocus.com/bid/102291
access.redhat.com/articles/3553061
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index
access.redhat.com/errata/RHSA-2018:2948
access.redhat.com/errata/RHSA-2018:3083
access.redhat.com/errata/RHSA-2018:3096
access.redhat.com/errata/RHSA-2019:2473
access.redhat.com/security/cve/CVE-2017-18360
access.redhat.com/security/cve/CVE-2018-18690
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1322930
bugzilla.redhat.com/show_bug.cgi?id=1488484
bugzilla.redhat.com/show_bug.cgi?id=1504058
bugzilla.redhat.com/show_bug.cgi?id=1507027
bugzilla.redhat.com/show_bug.cgi?id=1542494
bugzilla.redhat.com/show_bug.cgi?id=1557434
bugzilla.redhat.com/show_bug.cgi?id=1557599
bugzilla.redhat.com/show_bug.cgi?id=1558328
bugzilla.redhat.com/show_bug.cgi?id=1561162
bugzilla.redhat.com/show_bug.cgi?id=1563697
bugzilla.redhat.com/show_bug.cgi?id=1564186
bugzilla.redhat.com/show_bug.cgi?id=1568167
bugzilla.redhat.com/show_bug.cgi?id=1572983
bugzilla.redhat.com/show_bug.cgi?id=1584775
bugzilla.redhat.com/show_bug.cgi?id=1592654
bugzilla.redhat.com/show_bug.cgi?id=1609717
github.com/torvalds/linux/commit/ecaaab5649781c5a0effdaf298a925063020500e
lists.debian.org/debian-lts-announce/2018/01/msg00004.html
usn.ubuntu.com/3617-1/
usn.ubuntu.com/3617-2/
usn.ubuntu.com/3617-3/
usn.ubuntu.com/3619-1/
usn.ubuntu.com/3619-2/
usn.ubuntu.com/3620-1/
usn.ubuntu.com/3620-2/
usn.ubuntu.com/3632-1/
www.debian.org/security/2017/dsa-4073
www.debian.org/security/2018/dsa-4082
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8