Medium severity · published Dec 25, 2019
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…
4.7
CVSS
0.7%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
through 5.4.6 · source: NVD
8F
8300 Firmware · Netapp
All versions, or not specified · source: NVD
8F
8700 Firmware · Netapp
All versions, or not specified · source: NVD
AF
A400 Firmware · Netapp
All versions, or not specified · source: NVD
AF
A700s Firmware · Netapp
All versions, or not specified · source: NVD
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
DA
Data Availability Services · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
8.0 · source: NVD
ES
E-series Santricity OS Controller · Netapp
11.0.0 through 11.70.1 · source: NVD
HF
H610s Firmware · Netapp
All versions, or not specified · source: NVD
HM
Hci Management Node · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-19965
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-19965
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Exploit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f70267f379b5e5e11bdc5d72a56bf17e5feed01f
Mailing List
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
Mailing List
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200204-0002/
Third Party Advisory
https://usn.ubuntu.com/4284-1/
More from Kernel
9.8
CVE-2025-39682
tls: fix handling of zero-length records on the rx_list
8.8
CVE-2026-53266
netfilter: bridge: make ebt_snat ARP rewrite writable
8.8
CVE-2013-6282
Linux Kernel Improper Input Validation Vulnerability
8.4
CVE-2022-0185
Linux Kernel Heap-Based Buffer Overflow Vulnerability
8.4
CVE-2013-2094
Linux Kernel Privilege Escalation Vulnerability