Null pointer dereference in Linux kernel - CVE-2017-16647

 

Null pointer dereference in Linux kernel - CVE-2017-16647

Published: December 26, 2017


Vulnerability identifier: #VU9759
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-16647
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to an error in drivers/net/usb/asix_devices.c in the Linux kernel. A local attacker can supply a specially crafted USB device, trigger null pointer dereference and cause the system to crash.

Successful exploitation of the vulnerability results in denial of service.

Affected software

Linux kernel
Amazon Linux AMI
Fedora
kernel

How to mitigate CVE-2017-16647

Update to version 4.13.11.

kernel - addressed in versions 4.13.16-100.fc25, 4.13.16-200.fc26, 4.13.16-300.fc27

External References

Related Security Bulletins