CVE-2013-4343

Medium

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.

Package Linux Kernel
Published 2013-09-25
Last modified 2026-04-29
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

6.9

out of 10
Medium
Attack Vector
Local
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Vector string
AV:L/AC:M/Au:N/C:C/I:C/A:C

Weakness type

CWE-399

CVE-2013-4343 is classified as CWE-399

See CWE-399 on MITRE CWE for full details on this weakness type.

References

11 total
Showing 5 of 11 references View all on NVD

Frequently asked questions

  • What is CVE-2013-4343?

    CVE-2013-4343 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.9 out of 10 . CVE-2013-4343 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2013-4343?

    CVE-2013-4343 has a CVSS score of 6.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:C/I:C/A:C .

  • Is there a patch available for CVE-2013-4343?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2013-4343 patch availability.

  • Is CVE-2013-4343 actively exploited?

    No. CVE-2013-4343 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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