What is CVE-2019-15921?

CVE-2019-15921 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Memory Leak flaw (CWE-401). CVE-2019-15921 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2019-15921?

CVE-2019-15921 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2019-15921?

No patch is currently available for CVE-2019-15921. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2019-15921 actively exploited?

CVE-2019-15921 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2019-15921

Medium

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.

Package Linux Kernel

Published 2019-09-04

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-401

CVE-2019-15921 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2019-15921 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html

Mailing List Third Party Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6

Mailing List Vendor Advisory
Security
https://security.netapp.com/advisory/ntap-20191004-0001/

Third Party Advisory
Kernel patch commit
https://github.com/torvalds/linux/commit/ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2
Patch

Details

CVE ID CVE-2019-15921

Severity Medium

CVSS score 4.7 / 10

CVSS version 3.1

Published 2019-09-04

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2019-15921?

CVE-2019-15921 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as a Memory Leak flaw (CWE-401) . CVE-2019-15921 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2019-15921?

CVE-2019-15921 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2019-15921?

No patch is currently available for CVE-2019-15921. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2019-15921 actively exploited?

No — CVE-2019-15921 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →