Vulnerability CVE-2017-15102
Published: 2017-11-15   Modified: 2017-11-16

Description:
The tower_probe function in drivers/usb/misc/legousbtower.c in the Linux kernel before 4.8.1 allows local users (who are physically proximate for inserting a crafted USB device) to gain privileges by leveraging a write-what-where condition that occurs after a race condition and a NULL pointer dereference.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Redhat -> Enterprise linux 
Linux -> Linux kernel 
Canonical -> Ubuntu linux 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989
http://seclists.org/oss-sec/2017/q4/238
http://www.securityfocus.com/bid/101790
https://bugzilla.redhat.com/show_bug.cgi?id=1505905
https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989
https://usn.ubuntu.com/3583-1/
https://usn.ubuntu.com/3583-2/
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