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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
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 ↗