CVE-2014-4943

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Summary

CVECVE-2014-4943
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-07-19 19:55:08 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 6.9 from [email protected]

AV:L/AC:M/Au:N/C:C/I:C/A:C

Problem Types: CWE-269 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
linux.oracle.com | ELSA-2014-3047 af854a3a-2127-422b-91ae-364da2661108 linux.oracle.com Third Party Advisory
Linux Kernel Flaw in PPP over L2TP Sockets Lets Local Users Gain Elevated Privileges - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com Third Party Advisory, VDB Entry
net/l2tp: don't fall back on UDP [get|set]sockopt · torvalds/linux@3cf521f · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
Linux Kernel PPP-over-L2TP Socket Level Handling - Crash PoC af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Third Party Advisory, VDB Entry
[security-announce] SUSE-SU-2014:1319-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Security Advisory SA60220 - Oracle Linux update for kernel-uek - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Broken Link, Third Party Advisory
[security-announce] SUSE-SU-2015:0481-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
oss-security - CVE-2014-4943: Linux privilege escalation in ppp over l2tp sockets af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List, Third Party Advisory
linux.oracle.com | ELSA-2014-3048 af854a3a-2127-422b-91ae-364da2661108 linux.oracle.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
[security-announce] openSUSE-SU-2015:0566-1: important: kernel update fo af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Bug 1119458 – CVE-2014-4943 kernel: net: pppol2tp: level handling in pppol2tp_[s,g]etsockopt() af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
[security-announce] SUSE-SU-2014:1316-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-2992-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Security Advisory SA60011 - Ubuntu update for kernel - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
osvdb.org/show/osvdb/109277 af854a3a-2127-422b-91ae-364da2661108 osvdb.org Broken Link
Security Advisory SA60071 - Linux Kernel PPP Over L2TP Implementation Privilege Escalation Vulnerabilities - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
linux.oracle.com | ELSA-2014-0924 af854a3a-2127-422b-91ae-364da2661108 linux.oracle.com Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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