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Bug 260564 (CVE-2009-0748) - Kernel: <2.6.27.19 <2.6.28.7 ext4_fill_super in fs/ext4/super.c superblock validation error DOS (CVE-2009-0748)
Summary: Kernel: <2.6.27.19 <2.6.28.7 ext4_fill_super in fs/ext4/super.c superblock va...
Status: RESOLVED FIXED
Alias: CVE-2009-0748
Product: Gentoo Security
Classification: Unclassified
Component: Kernel (show other bugs)
Hardware: All Linux
: High normal
Assignee: Gentoo Security
URL: http://git.kernel.org/?p=linux/kernel...
Whiteboard: [linux <2.6.27.19] [linux >=2.6.28 <2...
Keywords:
Depends on:
Blocks:
 
Reported: 2009-02-27 22:28 UTC by Stefan Behte (RETIRED)
Modified: 2013-09-05 03:52 UTC (History)
0 users

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Runtime testing required: ---

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Description Stefan Behte (RETIRED) gentoo-dev Security 2009-02-27 22:28:53 UTC 
CVE-2009-0748 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-0748):
  The ext4_fill_super function in fs/ext4/super.c in the Linux kernel
  2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate
  the superblock configuration, which allows local users to cause a
  denial of service (NULL pointer dereference and OOPS) by attempting
  to mount a crafted ext4 filesystem.