What’s Vulnerable › Vulnerabilities

CVE-2019-15221

• Severity: medium (CVSS 4.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% 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 5.1.17. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/line6/pcm.c driver.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 19.04
• Debian Linux: 8.0
• Linux kernel: before 5.1.17 — fixed in 5.1.17
• 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
• openSUSE Leap: 15.0, 15.1

How to fix

Upgrade to a fixed version: Linux kernel 5.1.17. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
• http://www.openwall.com/lists/oss-security/2019/08/20/2
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.17
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3450121997ce872eb7f1248417225827ea249710
• https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
• https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
• https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
• https://security.netapp.com/advisory/ntap-20190905-0002/
• https://syzkaller.appspot.com/bug?id=240f09164db2c3d3af33a117c713dc7650dc29d6
• https://usn.ubuntu.com/4115-1/
• https://usn.ubuntu.com/4118-1/

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