CVE-2014-4943

NONECVSS 0.0Trending — 4 sources updated this weekElevated

0.0

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 v3: —
EG Score: 0.0(none)
EPSS: 77.7%
KEV: Not listed

Published

July 19, 2014

Last Modified

May 6, 2026

References (46)

cve@mitrehttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3cf521f7dc87c031617fd47e4b7aa2593c2f3daf
cve@mitrehttp://linux.oracle.com/errata/ELSA-2014-0924.html
cve@mitrehttp://linux.oracle.com/errata/ELSA-2014-3047.html
cve@mitrehttp://linux.oracle.com/errata/ELSA-2014-3048.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
cve@mitrehttp://openwall.com/lists/oss-security/2014/07/17/1
cve@mitrehttp://osvdb.org/show/osvdb/109277
cve@mitrehttp://rhn.redhat.com/errata/RHSA-2014-1025.html
cve@mitrehttp://secunia.com/advisories/59790
cve@mitrehttp://secunia.com/advisories/60011
cve@mitrehttp://secunia.com/advisories/60071
cve@mitrehttp://secunia.com/advisories/60220

Patch Availability(14)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-3.2.0-1451-omap4 (3.2.0-1451.71) @ precise	2026-05-28	ubuntu
ubuntu	linux-image-3.13.0-32-generic-lpae (3.13.0-32.57~precise1) @ precise	2026-05-28	ubuntu
ubuntu	linux-image-extra-3.13.0-32-generic (3.13.0-32.57) @ trusty	2026-05-28	ubuntu
ubuntu	linux-image-3.5.0-54-generic (3.5.0-54.81~precise1) @ precise	2026-05-28	ubuntu
ubuntu	linux-image-3.11.0-26-generic (3.11.0-26.45~precise1) @ precise	2026-05-28	ubuntu
ubuntu	linux-image-3.2.0-67-virtual (3.2.0-67.101) @ precise	2026-05-28	ubuntu
ubuntu	linux-image-2.6.32-64-generic-pae (2.6.32-64.128) @ lucid	2026-05-28	ubuntu
ubuntu	linux-image-2.6.32-368-ec2 (2.6.32-368.84) @ lucid	2026-05-28	ubuntu
ubuntu	linux-image-3.8.0-44-generic (3.8.0-44.66~precise1) @ precise	2026-05-28	ubuntu
ubuntu	linux-image-3.11.0-26-generic (3.11.0-26.45) @ saucy	2026-05-28	ubuntu
redhat	kernel-0:2.6.32-220.54.1.el6	2014-08-06	redhat
redhat	kernel-0:3.10.0-123.4.4.el7	2014-07-23	redhat
redhat	kernel-0:2.6.32-431.20.5.el6	2014-07-23	redhat
redhat	kernel-0:2.6.32-358.46.2.el6	2014-07-23	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-269Improper Privilege Management

All Vendor Advisories

(14)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 17:55 UTCEG score recompute
2026-05-28 17:55 UTCVendor advisory
2026-05-28 17:54 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCredes-2015/l2tp-socket-bug
First seen Nov 22, 2015
Estudo e apresentação do bug CVE-2014-4943 para a disciplina MAC0448
Open source ↗
Exploit-DBEDB-36267
First seen Mar 4, 2015
Linux Kernel 3.15.6 - PPP-over-L2TP Socket Level Handling Crash (PoC)
Open source ↗

Frequently asked(4)

What is CVE-2014-4943?

CVE-2014-4943 is a none vulnerability published on July 19, 2014. 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.

When was CVE-2014-4943 disclosed?

CVE-2014-4943 was first published in the National Vulnerability Database on July 19, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2014-4943 actively exploited?

CVE-2014-4943 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2014-4943?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-4943, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2014-4943

Published

Last Modified

References (46)

Patch Availability(14)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2014-4943?

Same vendor

Same CWE

CVE-2014-4943

📅 Published

🔄 Last Modified

🔗 References (46)

Patch Availability(14)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2014-4943?

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References (46)

Frequently asked(4)

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