CVE ID:	CVE-2018-20836
Description:	An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.
Test IDs:	1.3.6.1.4.1.25623.1.0.704497   1.3.6.1.4.1.25623.1.0.891884   1.3.6.1.4.1.25623.1.0.704495   1.3.6.1.4.1.25623.1.0.891885
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2018-20836 BugTraq ID: 108196 http://www.securityfocus.com/bid/108196 Bugtraq: 20190812 [SECURITY] [DSA 4495-1] linux security update (Google Search) https://seclists.org/bugtraq/2019/Aug/13 Bugtraq: 20190813 [SECURITY] [DSA 4497-1] linux security update (Google Search) https://seclists.org/bugtraq/2019/Aug/18 Debian Security Information: DSA-4495 (Google Search) https://www.debian.org/security/2019/dsa-4495 Debian Security Information: DSA-4497 (Google Search) https://www.debian.org/security/2019/dsa-4497 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html SuSE Security Announcement: openSUSE-SU-2019:1716 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html SuSE Security Announcement: openSUSE-SU-2019:1757 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html https://usn.ubuntu.com/4076-1/