Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.8.1 |
| Redhat | Enterprise Linux | 5.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9eIssue TrackingPatchVendor Advisory
- http://seclists.org/oss-sec/2017/q4/238Issue TrackingMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/101790Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1505905Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a0198Issue TrackingPatchThird Party Advisory
- https://usn.ubuntu.com/3583-1/Third Party Advisory
- https://usn.ubuntu.com/3583-2/Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9eIssue TrackingPatchVendor Advisory
- http://seclists.org/oss-sec/2017/q4/238Issue TrackingMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/101790Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1505905Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a0198Issue TrackingPatchThird Party Advisory
- https://usn.ubuntu.com/3583-1/Third Party Advisory
- https://usn.ubuntu.com/3583-2/Third Party Advisory
FAQ
What is CVE-2017-15102?
CVE-2017-15102 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 ...
How severe is CVE-2017-15102?
CVE-2017-15102 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15102?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Canonical Ubuntu Linux.