Vulnerability Monitor

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CVE-2017-15102

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.

Published

2017-11-15T21:29:00.250

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.3 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 4.8.1	Yes
Operating System	redhat	enterprise_linux	5.0	Yes
Operating System	redhat	enterprise_linux	6.0	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989 Issue Tracking, Patch, Vendor Advisory ([email protected])
http://seclists.org/oss-sec/2017/q4/238 Issue Tracking, Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/101790 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1505905 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://usn.ubuntu.com/3583-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3583-2/ Third Party Advisory ([email protected])
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/oss-sec/2017/q4/238 Issue Tracking, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/101790 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1505905 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3583-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3583-2/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)