Bug 517684 (CVE-2014-4943)

Summary:	Kernel: net: pppol2tp: level handling in pppol2tp_[s,g]etsockopt() (CVE-2014-4943)
Product:	Gentoo Security	Reporter:	Agostino Sarubbo <ago>
Component:	Kernel	Assignee:	Gentoo Kernel Security <security-kernel>
Status:	RESOLVED FIXED
Severity:	normal	CC:	kernel
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---

Description Agostino Sarubbo gentoo-dev

2014-07-21 14:56:00 UTC

CVE-2014-4943 (http://nvd.nist.gov/nvd.cfm?cvename=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.

Comment 1 GLSAMaker/CVETool Bot gentoo-dev

2014-07-21 23:53:47 UTC

CVE-2014-4943 (http://nvd.nist.gov/nvd.cfm?cvename=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.

Comment 2 John Helmert III archtester

2022-03-25 22:23:29 UTC

Fix is in 3.16, https://github.com/torvalds/linux/commit/3cf521f7dc87c031617fd47e4b7aa2593c2f3daf