CVE-2019-15217: Null Pointer Dereference
A vulnerability was found in the Linux kernel. The Zr364xx USB device driver is susceptible to malicious USB devices. An attacker able to add a specific USB device could cause a crash leading to a denial of service.
Other sources
A vulnerability was found in the Linux kernel. There is a NULL pointer dereference caused by a malicious USB device in the drivers/media/usb/zr364xx/zr364xx.c driver.
Reference: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d2e73a5f80a5b5aff3caf1ec6d39b5b3f54b26e https://syzkaller.appspot.com/bug?id=9c0c178c24d828a7378f483309001329750aad64
— Red Hat
An issue was discovered in the Linux kernel before 5.2.3. There is a NULL pointer dereference caused by a malicious USB device in the drivers/media/usb/zr364xx/zr364xx.c driver.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 0:3.10.0-1160.rt56.1131.el7 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 0:3.10.0-1160.el7 - Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.262-1Fixed in 6.1.176-1Fixed in 6.1.180-1Fixed in 6.12.94-1Fixed in 6.12.101-1Fixed in 7.1.8-1Fixed in 7.1.8-2 - Upgrade
Upgrade
Linux kernelto a version that resolves this vulnerability.Fixed in 5.2.3 - Compensating control
Prevent the Zr364xx USB device driver module (kernel module name: zr364xx) from loading automatically by blacklisting the module, per Red Hat solution 41278 (e.g., configure modprobe blacklist so zr364xx cannot be loaded).
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the severity of CVE-2019-15217?
CVE-2019-15217 has a severity rating classified as medium, affecting the Linux kernel.
How does CVE-2019-15217 affect Linux kernel?
CVE-2019-15217 impacts the Linux kernel through a vulnerability in the Zr364xx USB device driver that can lead to a denial of service.
How do I fix CVE-2019-15217?
To fix CVE-2019-15217, upgrade the Linux kernel to a version that is 0:3.10.0-1160.rt56.1131.el7 or later.
What systems are affected by CVE-2019-15217?
CVE-2019-15217 affects various systems running the Linux kernel versions up to 5.2.3, including specific distributions like Red Hat, Ubuntu, and Debian.
Can CVE-2019-15217 be exploited remotely?
Yes, CVE-2019-15217 can be exploited by connecting a malicious USB device to the vulnerable system.