CVE-2017-15102

Impact:
Low
Public Date:
2016-09-19
CWE:
CWE-476
Bugzilla:
1505905: CVE-2017-15102 kernel: NULL pointer dereference due to race condition in probe function of legousbtower driver

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2017-15102 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5 and 6. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2, as this flaw was fixed in 7.4 release.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 6.3
CVSS3 Base Metrics CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Physical
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Not affected
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 7 kernel-rt Not affected
Red Hat Enterprise Linux 7 kernel-alt Not affected
Red Hat Enterprise Linux 6 kernel Will not fix
Red Hat Enterprise Linux 5 kernel Will not fix

Acknowledgements

Red Hat would like to thank James Patrick Evans for reporting this issue.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.