CVE-2019-19074

Name: CVE-2019-19074
Creator: NVD / NIST
Published: 2019-11-18T06:15:13.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 4.43%

Last modified Jun 17, 2026

CVE-2019-19074 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A memory leak in the ath9k_wmi_cmd() function in drivers/net/wireless/ath/ath9k/wmi.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption), aka CID-728c1e2a05e4.. EPSS estimates a 4.43% chance of exploitation in the next 30 days.

Description

A memory leak in the ath9k_wmi_cmd() function in drivers/net/wireless/ath/ath9k/wmi.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption), aka CID-728c1e2a05e4.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

4.43%

90.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 4.4.233
Linux	Linux Kernel	>= 4.5, < 4.9.233
Linux	Linux Kernel	>= 4.10, < 4.14.192
Linux	Linux Kernel	>= 4.15, < 4.19.137
Linux	Linux Kernel	>= 4.20, < 5.4
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04

References

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlMailing List, Third Party Advisory
https://github.com/torvalds/linux/commit/728c1e2a05e4b5fc52fab3421dce772a806612a2Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
https://security.netapp.com/advisory/ntap-20191205-0001/Third Party Advisory
https://usn.ubuntu.com/4526-1/Third Party Advisory
https://usn.ubuntu.com/4527-1/Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlMailing List, Third Party Advisory
https://github.com/torvalds/linux/commit/728c1e2a05e4b5fc52fab3421dce772a806612a2Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
https://security.netapp.com/advisory/ntap-20191205-0001/Third Party Advisory
https://usn.ubuntu.com/4526-1/Third Party Advisory
https://usn.ubuntu.com/4527-1/Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlThird Party Advisory

Timeline

Published: Nov 18, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19074?

How severe is CVE-2019-19074?

CVE-2019-19074 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.43% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19074?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19074?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST