Resource management error in Linux kernel - CVE-2013-4343
Published: September 25, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42534
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2013-4343
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
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.
How to mitigate CVE-2013-4343
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
- http://marc.info/?l=linux-kernel&m=137889490510745&w=2
- http://rhn.redhat.com/errata/RHSA-2013-1490.html
- http://www.openwall.com/lists/oss-security/2013/09/12/3
- http://www.spinics.net/lists/netdev/msg250066.html
- http://www.ubuntu.com/usn/USN-2020-1
- http://www.ubuntu.com/usn/USN-2023-1
- http://www.ubuntu.com/usn/USN-2049-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1007733