In the Linux kernel before 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails. This will cause a BUG and denial of service.Referenceshttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0541791453fbe7f42867e310e0c9eb6295364dhttps://lists.debian.org/debian-lts-announce/2019/09/msg00014.htmlhttps://lists.debian.org/debian-lts-announce/2019/09/msg00015.htmlhttps://lists.debian.org/debian-lts-announce/2019/09/msg00025.htmlhttps://security.netapp.com/advisory/ntap-20191004-0001/https://support.f5.com/csp/article/K52136304?utm_source=f5support&%3Butm_medium=RSS