Privilege escalation in Linux Kernel
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.
Vulnerability class: Privilege Escalation
EPSS: 0.021 (79.8th percentile) — read the EPSS interpretation.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 7.0
- Opensuse — versions 11.4
- Redhat Enterprise_linux_server_aus — versions 6.2
- Suse Linux_enterprise_desktop — versions 11
- Suse Linux_enterprise_server — versions 11
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
- redes-2015/l2tp-socket-bug
- ARPSyndicate/cvemon
- R0B1NL1N/linux-kernel-exploitation
- Technoashofficial/kernel-exploitation-linux
- kdn111/linux-kernel-exploitation
- khanhdn111/linux-kernel-exploitation
- khanhdz-06/linux-kernel-exploitation
- khanhdz191/linux-kernel-exploitation
- khanhhdz/linux-kernel-exploitation
- khanhhdz06/linux-kernel-exploitation
References
- cve@mitre.org (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
- cve@mitre.org (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Broken Link)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2014-4943?
- CVE-2014-4943 is a vulnerability in Linux Kernel, classified under Improper Privilege Management. Published 2014-07-19.
- Is CVE-2014-4943 known to be exploited?
- 19 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.