CVE-2015-3643: usb-creator before 0.2.38.3ubuntu0.1 on Ubuntu 12.04 LTS, before 0.2.56.3ubuntu0.1 on Ubuntu 14.04 LTS, before
CVE-2015-3643 is a high-severity flaw (CVSS 7.8) affecting usb-creator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
usb-creator before 0.2.38.3ubuntu0.1 on Ubuntu 12.04 LTS, before 0.2.56.3ubuntu0.1 on Ubuntu 14.04 LTS, before 0.2.62ubuntu0.3 on Ubuntu 14.10, and before 0.2.67ubuntu0.1 on Ubuntu 15.04 allows local users to gain privileges by leveraging a missing call check_polkit for the KVMTest method.
Why this priority
- High severity
- Public exploit reference
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 1.5% (top 25%) |
| CISA exploited list | No |
| Weakness | CWE-264 |
| Published | 2017-09-28 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2015-3643?
usb-creator: upgrade to newer than 0.2.67. Exact commands for each OS are on this page.
Is CVE-2015-3643 being exploited?
CVE-2015-3643 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2015-3643 affect?
CVE-2015-3643 affects usb-creator. Severity is high (CVSS 7.8). usb-creator before 0.2.38.3ubuntu0.1 on Ubuntu 12.04 LTS, before 0.2.56.3ubuntu0.1 on Ubuntu 14.04 LTS, before 0.2.62ubuntu0.3 on Ubuntu 14.10, and before 0.2.67ubuntu0.1 on Ubuntu 15.04 allows local users to gain privileges by leveraging a
How urgent is CVE-2015-3643?
Priority 56/100. High severity; Public exploit reference; On your watchlist
Software pages
Related CVEs
- CVE-2013-1063 MEDIUM 4.6 MITIGATE DOWNGRADE usb-creator 0.2.47 before 0.2.47.1, 0.2.40 before 0.2.40ubuntu2, and 0.2.38 before 0.2.38.2 does not properly