What’s Vulnerable › Vulnerabilities

CVE-2019-15223

• Severity: medium (CVSS 4.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-08-19 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Canonical Ubuntu Linux: 18.04, 19.04
• Linux kernel: before 5.1.8 — fixed in 5.1.8
• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
• NetApp Data Availability Services: all versions
• NetApp H410C Firmware: all versions
• NetApp Solidfire & Hci Management Node: all versions
• NetApp Solidfire Baseboard Management Controller: all versions

How to fix

Upgrade to a fixed version: Linux kernel 5.1.8. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2019/08/20/2
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.8
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b074ab7fc0d575247b9cc9f93bb7e007ca38840
• https://security.netapp.com/advisory/ntap-20190905-0002/
• https://syzkaller.appspot.com/bug?id=0c1e517c657d3de2361cb0cc2d3a8663c25039a7
• https://usn.ubuntu.com/4147-1/
• http://www.openwall.com/lists/oss-security/2019/08/20/2
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.8
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b074ab7fc0d575247b9cc9f93bb7e007ca38840
• https://security.netapp.com/advisory/ntap-20190905-0002/
• https://syzkaller.appspot.com/bug?id=0c1e517c657d3de2361cb0cc2d3a8663c25039a7
• https://usn.ubuntu.com/4147-1/

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