Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Tue, 23 Feb 2016 13:41:06 +0000
From: "Cornea, Alexandru" <alexandru.cornea@...el.com>
To: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>
CC: "Maxim, Costel" <costel.maxim@...el.com>, Alan Stern
	<stern@...land.harvard.edu>
Subject: CVE Request: Linux kernel USB hub invalid memory access in
 hub_activate()

Hello,

    Quickly plugging in and unplugging a USB hub can lead to a null pointer dereference in kernel (local denial of service) or the USB port to which the hub is connected becomes unusable, for kernel versions 2.6.32 < 4.4.
    The issue occurs when the USB hub gets disconnected before or while the routine for USB hub activation is running - hub_activate() function.

Bug reported on the kernel USB mailing list: http://www.spinics.net/lists/linux-usb/msg132311.html

Issue is fixed in kernel 4.4, by commit: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e50293ef9775c5

Could a CVE please be assigned to this issue? (it has not been previously requested anywhere else)

Thanks,
   Alex

---
Regards,

Alexandru Cornea
Security QA Engineer
Intel SSG OTC Romania


Powered by blists - more mailing lists

Your e-mail address:

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.