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Bug 282003 (CVE-2009-2848) - Kernel: execve() clone syscall DoS (CVE-2009-2848)
Summary: Kernel: execve() clone syscall DoS (CVE-2009-2848)
Status: RESOLVED FIXED
Alias: CVE-2009-2848
Product: Gentoo Security
Classification: Unclassified
Component: Kernel (show other bugs)
Hardware: All Linux
: High normal (vote)
Assignee: Gentoo Security
URL: http://git.kernel.org/?p=linux/kernel...
Whiteboard: [linux <2.6.31]
Keywords:
Depends on:
Blocks:
 
Reported: 2009-08-19 09:34 UTC by Alex Legler (RETIRED)
Modified: 2013-09-15 18:43 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description Alex Legler (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2009-08-19 09:34:29 UTC
CVE-2009-2848 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-2848):
  The execve function in unspecified versions of the Linux kernel does
  not clear the current->clear_child_tid pointer, which allows local
  users to cause a denial of service (memory corruption) via a clone
  system call with CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID enabled,
  which is not properly handled during thread creation and exit.