CVE-2017-15102

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.

Category

6.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org
Affected: n/a Linux kernel through version 4.9-rc1
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1505905 patch third party advisory issue tracking
https://usn.ubuntu.com/3583-2/ third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989 patch vendor advisory issue tracking
https://usn.ubuntu.com/3583-1/ third party advisory vendor advisory
http://seclists.org/oss-sec/2017/q4/238 mailing list third party advisory issue tracking
http://www.securityfocus.com/bid/101790 third party advisory vdb entry
https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989 patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-15102?
CVE-2017-15102 has been scored as a medium severity vulnerability.
How to fix CVE-2017-15102?
To fix CVE-2017-15102, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-15102 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-15102 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-15102?
CVE-2017-15102 affects n/a Linux kernel through version 4.9-rc1.
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