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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel USB Over IP Processing Bugs Lets Remote Users Deny Service
SecurityTracker Alert ID:  1041050
SecurityTracker URL:  http://securitytracker.com/id/1041050
CVE Reference:   CVE-2018-5814   (Links to External Site)
Date:  Jun 8 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the Linux kernel. A remote user can cause denial of service conditions on the target system.

A remote user can send multiple specially crafted USB over IP packets to the target system to trigger a use-after-free memory error or a null pointer dereference and cause denial of service conditions on the target system.

Systems with the USB over IP daemon (usbipd) enabled are affected.

Jakub Jirasek, Secunia Research at Flexera, reported this vulnerability.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued a fix (4.4.133, 4.9.102, 4.14.43, 4.16.11)

The source code fixes are available at:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22076557b07c12086eeb16b8ce2b0b735f7a27e7

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c171654caa875919be3c533d3518da8be5be966e

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Access control error, State error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 24 2018 (Ubuntu Issues Fix) Linux Kernel USB Over IP Processing Bugs Lets Remote Users Deny Service
Ubuntu has issued a fix for Ubuntu Linux 18.04 LTS.



 Source Message Contents



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