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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: KernelAssignee: 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 Gentoo Infrastructure gentoo-dev Security 2022-03-25 22:23:29 UTC
Fix is in 3.16, https://github.com/torvalds/linux/commit/3cf521f7dc87c031617fd47e4b7aa2593c2f3daf