CVE-2019-19048

Name: CVE-2019-19048
Creator: NVD / NIST
Published: 2019-11-18T06:15:11.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.75%

Last modified Jun 17, 2026

CVE-2019-19048 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A memory leak in the crypto_reportstat() function in drivers/virt/vboxguest/vboxguest_utils.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering copy_form_user() failures, aka CID-e0b0cb938864.. EPSS estimates a 3.75% chance of exploitation in the next 30 days.

Description

A memory leak in the crypto_reportstat() function in drivers/virt/vboxguest/vboxguest_utils.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering copy_form_user() failures, aka CID-e0b0cb938864.

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

3.75%

88.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 4.16, < 4.19.82
Linux	Linux Kernel	>= 4.20, < 5.3.9
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.10

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9Release Notes, Vendor Advisory
https://github.com/torvalds/linux/commit/e0b0cb9388642c104838fac100a4af32745621e2Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20191205-0001/Third Party Advisory
https://usn.ubuntu.com/4208-1/Third Party Advisory
https://usn.ubuntu.com/4226-1/Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9Release Notes, Vendor Advisory
https://github.com/torvalds/linux/commit/e0b0cb9388642c104838fac100a4af32745621e2Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20191205-0001/Third Party Advisory
https://usn.ubuntu.com/4208-1/Third Party Advisory
https://usn.ubuntu.com/4226-1/Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2019-19048?

How severe is CVE-2019-19048?

CVE-2019-19048 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.75% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19048?

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-2019-19048?

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

Scan your code now

Source: NVD / NIST