#VU11456 NULL pointer dereference in Linux kernel - CVE-2017-16914

Vulnerability identifier: #VU11456

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-16914

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description
The vulnerability allows a remote attacker to cause DoS condition on the targtt system.

The weakness exists in the "stub_send_ret_submit()" function due to NULL pointer dereference. A remote attacker can cause the service to crash.

Mitigation
Update to versions 4.14.8, 4.9.71, 4.1.49 or 4.4.107.

Vulnerable software versions

Linux kernel: 3.4.9, 4.1 - 4.14.7, 4.4.0 - 4.4.106, 4.9 - 4.9.70

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External links
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/drivers/usb/usbip?id=...

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.