CVE-2019-19965

Public Exploit

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.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f70267f379b5e5e11bdc5d72a56bf17e5feed01f exploit patch vendor advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html third party advisory mailing list
https://security.netapp.com/advisory/ntap-20200204-0002/ third party advisory
https://usn.ubuntu.com/4285-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4287-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4286-2/ third party advisory vendor advisory
https://usn.ubuntu.com/4287-2/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html third party advisory mailing list
https://usn.ubuntu.com/4284-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4286-1/ third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-19965?
CVE-2019-19965 has been scored as a medium severity vulnerability.
How to fix CVE-2019-19965?
To fix CVE-2019-19965, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-19965 being actively exploited in the wild?
It is possible that CVE-2019-19965 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.