The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27...
Vulnerability Description
The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not properly initialize the group descriptor during a resize (aka resize2fs) operation, which might allow local users to cause a denial of service (OOPS) by arranging for crafted values to be present in available memory.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fdff73f094e7220602cc3f8959c7230517976412
- http://www.vupen.com/english/advisories/2009/0509
- http://secunia.com/advisories/37471
- http://rhn.redhat.com/errata/RHSA-2009-1243.html
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.debian.org/security/2009/dsa-1749
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7765
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10942
- http://www.ubuntu.com/usn/usn-751-1
- http://bugzilla.kernel.org/show_bug.cgi?id=12433
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://secunia.com/advisories/36562
- http://secunia.com/advisories/34981
- http://secunia.com/advisories/34394
- http://www.debian.org/security/2009/dsa-1787
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7
- http://www.vupen.com/english/advisories/2009/3316
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