CVE-2019-19965 Null dereference in n/a
A NULL pointer dereference in the Linux kernel SCSI subsystem allows local attackers to cause a denial of service via a race condition during port disconnection.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-19965?
CVE-2019-19965 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 25 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-476
Which versions are affected by CVE-2019-19965?
It affects 16 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Netapp 8300 Firmware, Netapp 8700 Firmware, Netapp A400 Firmware and 10 more.
How do I fix CVE-2019-19965?
Apply the vendor's patch.
Is CVE-2019-19965 being exploited?
There is no known exploitation of CVE-2019-19965 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-19965, GHSA-fg2v-2x5h-36qc, UBUNTU-CVE-2019-19965.