CVE-2013-4343

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.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.spinics.net/lists/netdev/msg250066.html third party advisory mailing list
http://rhn.redhat.com/errata/RHSA-2013-1490.html third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1007733 issue tracking third party advisory
http://www.ubuntu.com/usn/USN-2020-1 third party advisory vendor advisory
http://marc.info/?l=linux-kernel&m=137889490510745&w=2 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2013/09/12/3 third party advisory mailing list
http://www.ubuntu.com/usn/USN-2049-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2023-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-4343?
CVE-2013-4343 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4343?
To fix CVE-2013-4343, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-4343 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-4343 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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