CVE-2014-4943
UnknownEPSS 2.10%
Last modified
CVE-2014-4943 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.10% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 2.6.23, < 3.2.62 | — |
| Linux | Linux Kernel | >= 3.3, < 3.4.102 | — |
| Linux | Linux Kernel | >= 3.5, < 3.10.52 | — |
| Linux | Linux Kernel | >= 3.11, < 3.12.27 | — |
| Linux | Linux Kernel | >= 3.13, < 3.14.16 | — |
| Linux | Linux Kernel | >= 3.15, < 3.15.9 | — |
| Opensuse | Opensuse | 11.4 | — |
| Suse | Linux Enterprise Desktop | 11 | Sp3 |
| Suse | Linux Enterprise Server | 11 | Sp2 |
| Redhat | Enterprise Linux Server Aus | 6.2 | — |
| Debian | Debian Linux | 7.0 | — |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3cf521f7dc87c031617fd47e4b7aa2593c2f3dafBroken Link, Third 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 List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2014/07/17/1Mailing List, Third 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
- http://secunia.com/advisories/60380Third Party Advisory
- http://secunia.com/advisories/60393Third Party Advisory
- http://www.debian.org/security/2014/dsa-2992Third Party Advisory
- http://www.exploit-db.com/exploits/36267Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1030610Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1119458Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/94665Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/3cf521f7dc87c031617fd47e4b7aa2593c2f3dafPatch, Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3cf521f7dc87c031617fd47e4b7aa2593c2f3dafBroken Link, Third 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 List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2014/07/17/1Mailing List, Third 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
- http://secunia.com/advisories/60380Third Party Advisory
- http://secunia.com/advisories/60393Third Party Advisory
- http://www.debian.org/security/2014/dsa-2992Third Party Advisory
- http://www.exploit-db.com/exploits/36267Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1030610Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1119458Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/94665Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/3cf521f7dc87c031617fd47e4b7aa2593c2f3dafPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2014-4943?
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?
Severity scoring for CVE-2014-4943 is pending analysis. The EPSS model estimates a 2.10% probability of exploitation in the next 30 days.
How do I fix CVE-2014-4943?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Scan your code nowSource: NVD / NIST