CVE-2019-15223: Null Pointer Dereference
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 Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1 - Upgrade
Upgrade
ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 5.0.0-1022.23~18.04.1 - Upgrade
Upgrade
ubuntu/linux-gke-5.0to a version that resolves this vulnerability.Fixed in 5.0.0-1020.20~18.04.1 - Upgrade
Upgrade
ubuntu/linux-hweto a version that resolves this vulnerability.Fixed in 5.0.0-31.33~18.04.1
Event History
Frequently Asked Questions
What is CVE-2019-15223?
CVE-2019-15223 is a vulnerability in the Linux kernel that allows for a NULL pointer dereference caused by a malicious USB device.
How severe is CVE-2019-15223?
CVE-2019-15223 is a critical vulnerability with a severity rating of high.
Which versions of the Linux kernel are affected by CVE-2019-15223?
Versions of the Linux kernel before 5.1.8 are affected by CVE-2019-15223.
How can I fix CVE-2019-15223?
To fix CVE-2019-15223, update your Linux kernel to version 5.1.8 or later.
Where can I find more information about CVE-2019-15223?
More information about CVE-2019-15223 can be found in the references provided: [Link 1](https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.8), [Link 2](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b074ab7fc0d575247b9cc9f93bb7e007ca38840), [Link 3](https://syzkaller.appspot.com/bug?id=0c1e517c657d3de2361cb0cc2d3a8663c25039a7).