Permissions, Privileges, and Access Controls in Linux kernel - CVE-2014-4943

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Main Vulnerability Database Vulnerabilities #VU41467

Permissions, Privileges, and Access Controls in Linux kernel - CVE-2014-4943

Published: July 19, 2014 / Updated: August 11, 2020


Vulnerability identifier: #VU41467
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2014-4943
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

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.


How to mitigate CVE-2014-4943

Install update from vendor's website.

Sources