CVE-2013-6282
Linux Kernel Improper Input Validation Vulnerability
- Published
- Nov 19, 2013
- Updated
- Oct 22, 2025
- Assigning CNA
- mitre
- Evidence observed
- Feb 11, 2014
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 98.6%
- Model date
- Oct 13, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addresses, which allows attackers to read or modify the contents of arbitrary kernel memory locations via a crafted application, as exploited in the wild against Android devices in October and November 2013.
Sources
modules/exploits/android/local/put_user_vroot.rb
Metasploit Framework modulesDeclared conditions
- platform: Android,Linux($.exploit_android/local/put_user_vroot.platform)
- verification: check_not_declared($.exploit_android/local/put_user_vroot.check)
- libput_user_exploitExploit
CVE-2013-6282 kernel exploit that overwrites ptmx.fsync handler and uevent_helper string for local privilege escalation on vulnerable Linux systems.
Responsible use
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