Vulnerability Description
The PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel through 3.15.6 allows local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.23, < 3.2.62 |
| Opensuse | Opensuse | 11.4 |
| Suse | Linux Enterprise Desktop | 11 |
| Suse | Linux Enterprise Server | 11 |
| Redhat | Enterprise Linux Server Aus | 6.2 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=Broken LinkThird Party Advisory
- http://linux.oracle.com/errata/ELSA-2014-0924.htmlThird Party Advisory
- http://linux.oracle.com/errata/ELSA-2014-3047.htmlThird Party Advisory
- http://linux.oracle.com/errata/ELSA-2014-3048.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2014/07/17/1Mailing ListThird Party Advisory
- http://osvdb.org/show/osvdb/109277Broken Link
- http://rhn.redhat.com/errata/RHSA-2014-1025.htmlThird Party Advisory
- http://secunia.com/advisories/59790Third Party Advisory
- http://secunia.com/advisories/60011Third Party Advisory
- http://secunia.com/advisories/60071Third Party Advisory
- http://secunia.com/advisories/60220Third Party Advisory
FAQ
What is CVE-2014-4943?
CVE-2014-4943 is a vulnerability with a CVSS score of 6.9 (MEDIUM). The PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel through 3.15.6 allows local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket.
How severe is CVE-2014-4943?
CVE-2014-4943 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-4943?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Opensuse Opensuse, Suse Linux Enterprise Desktop, Suse Linux Enterprise Server, Redhat Enterprise Linux Server Aus.