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CVE-2017-15102

Date: November 15, 2017

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.

Language: C

Severity Score

Related Resources (12)

http://seclists.org/oss-sec/2017/q4/238
https://security-tracker.debian.org/tracker/CVE-2017-15102
https://nvd.nist.gov/vuln/detail/CVE-2017-15102
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989
https://access.redhat.com/security/cve/CVE-2017-15102
https://usn.ubuntu.com/3583-2/
https://usn.ubuntu.com/3583-1/
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-15102
http://www.securityfocus.com/bid/101790
https://bugzilla.redhat.com/show_bug.cgi?id=1505905
https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989
https://www.mend.io/vulnerability-database/CVE-2017-15102

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): PHYSICAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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