UBUNTU-CVE-2013-4343
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 25 Sept 2013, 00:00
Last modified:04 Feb 2026, 04:38
Vulnerability Summary
Overall Risk (default)
minimal
0/100 CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
25 Sept 2013, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 04:38
Last Modified
Vulnerability information updated
Description
Use-after-free vulnerability in drivers/net/tun.c in the Linux kernel through 3.11.1 allows local users to gain privileges by leveraging the CAP_NET_ADMIN capability and providing an invalid tuntap interface name in a TUNSETIFF ioctl call.
Affected Systems
- ubuntu•linux
< 3.12.0-1.3 | < 4.2.0-16.19
- ubuntu•linux-aws
< 4.4.0-1002.2 | < 4.4.0-1001.10
- ubuntu•linux-gke
< 4.4.0-1003.3
- ubuntu•linux-hwe
< 4.8.0-36.36~16.04.1
- ubuntu•linux-lts-utopic
< 3.16.0-25.33~14.04.2
- ubuntu•linux-lts-vivid
< 3.19.0-18.18~14.04.1
- ubuntu•linux-lts-wily
< 4.2.0-18.22~14.04.1
- ubuntu•linux-lts-xenial
< 4.4.0-13.29~14.04.1
- ubuntu•linux-raspi2
< 4.2.0-1013.19
- ubuntu•linux-snapdragon
< 4.4.0-1012.12
References (7)
- https://ubuntu.com/security/CVE-2013-4343
- http://www.openwall.com/lists/oss-security/2013/09/12/3
- http://www.spinics.net/lists/netdev/msg250066.html
- https://ubuntu.com/security/notices/USN-2020-1
- https://ubuntu.com/security/notices/USN-2023-1
- https://ubuntu.com/security/notices/USN-2049-1
- https://www.cve.org/CVERecord?id=CVE-2013-4343