CVE-2017-15102
Summary
| CVE | CVE-2017-15102 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-11-15 21:29:00 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.0 6.3 MEDIUM from [email protected]
CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.001100000 probability, percentile 0.289790000 (date 2026-05-13)
Problem Types: CWE-476 | race condition
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 6.3 | MEDIUM | CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
CVSS v3.0 Breakdown
Attack Vector
PhysicalAttack Complexity
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
MediumAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:M/Au:N/C:C/I:C/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 12.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
| Operating System | Redhat | Enterprise Linux | 5.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 6.0 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | Linux Kernel Through Version 4.9-rc1 | affected Linux kernel through version 4.9-rc1 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Linux Kernel CVE-2017-15102 Local Privilege Escalation Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| 1505905 – (CVE-2017-15102) CVE-2017-15102 kernel: NULL pointer dereference due to race condition in probe function of legousbtower driver | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Issue Tracking, Patch, Third Party Advisory |
| USN-3583-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | Third Party Advisory |
| usb: misc: legousbtower: Fix NULL pointer deference · torvalds/linux@2fae9e5 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Issue Tracking, Patch, Third Party Advisory |
| oss-sec: CVE-2017-15102: Linux kernel: usb: NULL-deref due to a race condition in [legousbtower] driver | af854a3a-2127-422b-91ae-364da2661108 | seclists.org | Issue Tracking, Mailing List, Third Party Advisory |
| USN-3583-1: Linux kernel vulnerabilities | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | Third Party Advisory |
| kernel/git/torvalds/linux.git - Linux kernel source tree | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Issue Tracking, Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.