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…
- 6.9MediumCVSS base score
- 2.1%Exploitation in 30 daysEPSS · top 18% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- Linux Kernel 3.15.6 - PPP-over-L2TP Socket Level Handling Crash (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 36267dos, linuxpublished 4 Mar 2015Not verified
References tagged exploit1 reference
- 36267 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 8 days later
· 8 days later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
n/a
- affected n/a
References
23
- 36267 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://linux.oracle.com/errata/ELSA-2014-3047.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2014:1316 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 1030610 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 60220 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 59790 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- RHSA-2014:1025 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3cf521f7dc87c031617fd47e4b7aa2593c2f3daf (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2014:1319 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2015:0481 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2015:0566 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1119458 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://linux.oracle.com/errata/ELSA-2014-0924.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 60393 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 60380 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://linux.oracle.com/errata/ELSA-2014-3048.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- linux-kernel-cve20144943-priv-esc(94665) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- [oss-security] 20140716 CVE-2014-4943: Linux privilege escalation in ppp over l2tp sockets (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 60011 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://github.com/torvalds/linux/commit/3cf521f7dc87c031617fd47e4b7aa2593c2f3daf (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-2992 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 109277 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 60071 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2014-4860 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2014-4943)Record last updated .