CVE-2019-19965

In the Linux kernel through 5.4.6, there is a NULL pointer dereference in drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery, related to a PHY down race condition, aka CID-f70267f379b5.

CVSS 3.1

4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2019-12-25

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• canonical:ubuntu_linux
• debian:debian_linux
• linux:linux_kernel
• netapp:8300_firmware
• netapp:8700_firmware
• netapp:a400_firmware
• netapp:a700s_firmware
• netapp:active_iq_unified_manager
• netapp:cloud_backup
• netapp:data_availability_services
• netapp:e-series_santricity_os_controller
• netapp:h610s_firmware
• netapp:hci_management_node
• netapp:solidfire
• netapp:steelstore_cloud_integrated_storage
• opensuse:leap

References

• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f70267f379b5e5e11bdc5d72a56bf17e5feed01f
• https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
• https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
• https://security.netapp.com/advisory/ntap-20200204-0002/

Check your stackJSON