CVE-2019-15921: Medium severity linux kernel vulnerability
Published Sep 4, 2019
·Updated
An issue was discovered in the Linux kernel before 5.0.6. There is a memory leak issue when idralloc() fails in genlregisterfamily() in net/netlink/genetlink.c.
Affected Software
3 affected components
Linux Linux kernel<5.0.6
openSUSE Leap=15.0
openSUSE Leap=15.1
Remediation
Event History
Sep 4, 2019
CVE Published
via MITRE·06:08 PM
Data Sourced
via MITRE·06:08 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2019-15921?
CVE-2019-15921 has been classified as a medium severity vulnerability.
2
How do I fix CVE-2019-15921?
To fix CVE-2019-15921, upgrade to Linux kernel version 5.0.6 or later.
3
Which versions of the Linux kernel are affected by CVE-2019-15921?
CVE-2019-15921 affects versions of the Linux kernel prior to 5.0.6.
4
What causes the issue in CVE-2019-15921?
The issue in CVE-2019-15921 is caused by a memory leak when idr_alloc() fails in the genl_register_family() function.
5
Is CVE-2019-15921 specific to a certain distribution of Linux?
CVE-2019-15921 affects multiple distributions, including SUSE Linux Leap 15.0 and 15.1, in addition to the general Linux kernel.