CVE ID:	CVE-2020-27830
Description:	A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.
Test IDs:	1.3.6.1.4.1.25623.1.0.892557   1.3.6.1.4.1.25623.1.0.704843
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2020-27830 Debian Security Information: DSA-4843 (Google Search) https://www.debian.org/security/2021/dsa-4843 https://bugzilla.redhat.com/show_bug.cgi?id=1919900 https://bugzilla.redhat.com/show_bug.cgi?id=1919900 https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html http://www.openwall.com/lists/oss-security/2020/12/08/1 http://www.openwall.com/lists/oss-security/2020/12/08/4