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.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13
https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
https://security.netapp.com/advisory/ntap-20191004-0001/
https://support.f5.com/csp/article/K52136304?utm_source=f5support&utm_medium=RSS
Source: MITRE
Published: 2019-08-29
Updated: 2020-08-24
Type: CWE-401
Base Score: 4.7
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 4.7
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1
Severity: MEDIUM