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TI-2014-04061 Aliases CVE-2014-4943GHSA-8xp6-4x45-vm77

The PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel through 3.15.6 allows…

Priority LOW 35CWE-269Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Privilege escalation
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-269.

Summary

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.

Why it matters now

EPSS 0.02103 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Red Hat: 4 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*2.6.23 to before 3.2.62; 3.3 to before 3.4.102; 3.5 to before 3.10.52; 3.11 to before 3.12.27; 3.13 to before 3.14.16; 3.15 to before 3.15.9VulnerableLinux
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*11.4VulnerableopenSUSE
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*11 sp3VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:*11 sp3VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:*11 sp3VulnerableSUSE
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.2:*:*:*:*:*:*:*6.2VulnerableRed Hat
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.23 to before 3.2.62; 3.3 to before 3.4.102; 3.5 to before 3.10.52; 3.11 to before 3.12.27; 3.13 to before 3.14.16; 3.15 to before 3.15.9 Vulnerable ·Linux
  • cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
  • cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:* Versions 11 sp3 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:* Versions 11 sp3 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:* Versions 11 sp3 Vulnerable ·SUSE
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:6.2:*:*:*:*:*:*:* Versions 6.2 Vulnerable ·Red Hat
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian

Remediation

Red Hat 4 advisories

  • RHSA-2014:1025 Released 2014-08-06 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 6.2) kernel-2.6.32-220.54.1.el6, kernel-debug-2.6.32-220.54.1.el6, kernel-debug-devel-2.6.32-220.54.1.el6 +5
    • Red Hat Enterprise Linux Server Optional AUS (v. 6.2) kernel-2.6.32-220.54.1.el6, python-perf-2.6.32-220.54.1.el6
  • RHSA-2014:0924 Released 2014-07-23 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-431.20.5.el6, kernel-abi-whitelists-2.6.32-431.20.5.el6, kernel-debug-2.6.32-431.20.5.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) kernel-2.6.32-431.20.5.el6, python-perf-2.6.32-431.20.5.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-431.20.5.el6, kernel-abi-whitelists-2.6.32-431.20.5.el6, kernel-debug-2.6.32-431.20.5.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel-2.6.32-431.20.5.el6, python-perf-2.6.32-431.20.5.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-431.20.5.el6, kernel-abi-whitelists-2.6.32-431.20.5.el6, kernel-bootwrapper-2.6.32-431.20.5.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) kernel-2.6.32-431.20.5.el6, python-perf-2.6.32-431.20.5.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-431.20.5.el6, kernel-abi-whitelists-2.6.32-431.20.5.el6, kernel-debug-2.6.32-431.20.5.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) kernel-2.6.32-431.20.5.el6, python-perf-2.6.32-431.20.5.el6
  • RHSA-2014:0925 Released 2014-07-23 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.4) kernel-2.6.32-358.46.2.el6, python-perf-2.6.32-358.46.2.el6
    • Red Hat Enterprise Linux HPC Node EUS (v. 6.4) kernel-2.6.32-358.46.2.el6, kernel-debug-2.6.32-358.46.2.el6, kernel-debug-devel-2.6.32-358.46.2.el6 +5
    • Red Hat Enterprise Linux Server EUS (v. 6.4) kernel-2.6.32-358.46.2.el6, kernel-bootwrapper-2.6.32-358.46.2.el6, kernel-debug-2.6.32-358.46.2.el6 +8
    • Red Hat Enterprise Linux Server Optional EUS (v. 6.4) kernel-2.6.32-358.46.2.el6, python-perf-2.6.32-358.46.2.el6
Show 1 more Red Hat advisories
  • RHSA-2014:0923 Released 2014-07-23 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-123.4.4.el7, kernel-abi-whitelists-3.10.0-123.4.4.el7, kernel-debug-3.10.0-123.4.4.el7 +6
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-doc-3.10.0-123.4.4.el7, kernel-tools-libs-devel-3.10.0-123.4.4.el7, python-perf-3.10.0-123.4.4.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-123.4.4.el7, kernel-abi-whitelists-3.10.0-123.4.4.el7, kernel-debug-3.10.0-123.4.4.el7 +6
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-doc-3.10.0-123.4.4.el7, kernel-tools-libs-devel-3.10.0-123.4.4.el7, python-perf-3.10.0-123.4.4.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-123.4.4.el7, kernel-abi-whitelists-3.10.0-123.4.4.el7, kernel-bootwrapper-3.10.0-123.4.4.el7 +9
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-doc-3.10.0-123.4.4.el7, kernel-tools-libs-devel-3.10.0-123.4.4.el7, python-perf-3.10.0-123.4.4.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-123.4.4.el7, kernel-abi-whitelists-3.10.0-123.4.4.el7, kernel-debug-3.10.0-123.4.4.el7 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-doc-3.10.0-123.4.4.el7, kernel-tools-libs-devel-3.10.0-123.4.4.el7, python-perf-3.10.0-123.4.4.el7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2014:0923
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2014:0923
Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.4)Fixed RHSA-2014:0925
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2014:0923
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2014:0923
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2014:0924
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2014:0924
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2014:0924
Red Hat Enterprise Linux HPC Node EUS (v. 6.4)Fixed RHSA-2014:0925
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2014:0924
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2014:0924
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2014:0923
Red Hat Enterprise Linux Server AUS (v. 6.2)Fixed RHSA-2014:1025
Red Hat Enterprise Linux Server EUS (v. 6.4)Fixed RHSA-2014:0925
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2014:0924
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2014:0923
Red Hat Enterprise Linux Server Optional AUS (v. 6.2)Fixed RHSA-2014:1025
Red Hat Enterprise Linux Server Optional EUS (v. 6.4)Fixed RHSA-2014:0925
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2014:0924
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2014:0923
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2014:0924
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2014:0923
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2014-4943
  2. 2026-10-03 Alias added: GHSA-8xp6-4x45-vm77

References

Exploit 1

Patch 1

Advisory 12

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences