MEDIUM

CVE-2019-15223

CVSS v3

4.6

MEDIUM

EPSS Score

0.6 %

exploit probability, as of 2026-10-18

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

CVE-2019-15223 Red Hat Product Security150 products fixed · 15 known affected
kernel: Null pointer dereference in the sound/usb/line6/driver.c
kernel.src as a component of Red Hat Enterprise Linux 5 · kernel as a component of Red Hat Enterprise Linux 6 · kernel-abi-whitelists as a component of Red Hat Enterprise Linux 6
RHSA-2020:1769 Red Hat Product Security120 products fixed
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
RHSA-2020:1567 Red Hat Product Security30 products fixed
Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Full record on NVD

Description

An issue was discovered in the Linux kernel before 5.1.8. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/line6/driver.c driver.

Technical details

Published: 2019-08-19

Frequently asked questions

What is CVE-2019-15223?

An issue was discovered in the Linux kernel before 5.1.8. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/line6/driver.c driver.

Is CVE-2019-15223 actively exploited?

Active exploitation of CVE-2019-15223 has not been confirmed. Its EPSS score was 0.6% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-15223?

CVE-2019-15223 has a CVSS v3 base score of 4.6 (MEDIUM severity).

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