6.9

CVE-2017-15102: canonical ubuntu_linux NULL Pointer Dereference

Modified
AliasesUBUNTU-CVE-2017-15102DEBIAN-CVE-2017-15102
Published 15-11-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-15102 is a medium (CVSS 6.9) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 33.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.3, physical access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
SUSE-SU-2017:3210-1SUSE-SU-2017:3249-1SUSE-SU-2017:3265-1SUSE-SU-2018:0040-1SUSE-SU-2018:0180-1USN-3583-1

Timeline

  1. 15-11-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.39% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: physical access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu16 products
  • linux< 3.13.0-142.191 | < 4.4.0-47.68
  • linux-azure-6.11All versions (No fix recorded)
  • linux-azure-fdeAll versions (No fix recorded)
  • linux-azure-fde-5.15All versions (No fix recorded)
  • linux-gcp-6.11All versions (No fix recorded)
Canonical1 product
Debian1 product
  • linux< 4.7.8-1
Linux1 product
Redhat1 product

5 vendors · 20 products

References

13 links
Show all 13 references