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The tower_probe function in drivers/usb/misc/legousbtower...

Moderate severity Unreviewed Published May 14, 2022 to the GitHub Advisory Database • Updated Feb 2, 2023

Package

No package listedSuggest a package

Affected versions

Unknown

Patched versions

Unknown

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.

References

Published by the National Vulnerability Database Nov 15, 2017
Published to the GitHub Advisory Database May 14, 2022
Last updated Feb 2, 2023

Severity

Moderate
6.3
/ 10

CVSS base metrics

Attack vector
Physical
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS score

0.042%
(5th percentile)

Weaknesses

CVE ID

CVE-2017-15102

GHSA ID

GHSA-484w-4xhh-mhmf

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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