CVE-2019-15921

Public Exploit

Description

An issue was discovered in the Linux kernel before 5.0.6. There is a memory leak issue when idr_alloc() fails in genl_register_family() in net/netlink/genetlink.c.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2 exploit third party advisory patch
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6 mailing list vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html mailing list third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20191004-0001/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-15921?
CVE-2019-15921 has been scored as a medium severity vulnerability.
How to fix CVE-2019-15921?
To fix CVE-2019-15921, 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-2019-15921 being actively exploited in the wild?
It is possible that CVE-2019-15921 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.
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