CVE-2019-19965

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.4.7

Description The issue is related to errors in pointer dereferencing in the Linux kernel component drivers/scsi/libsas/sas discover.c. It may allow an attacker to cause a denial of service due to incorrect handling of port disconnection during discovery, related to a PHY down race condition.

Recommendations For Linux kernel versions prior to 5.4.7, update to version 5.4.7 or later to resolve the issue. As a temporary workaround, consider restricting access to the sas discover.c component until a patch is available.