Description
Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.
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://www.openwall.com/lists/oss-security/2011/07/15/8 ↗
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=722557 ↗
- http://www.spinics.net/lists/linux-ext4/msg25697.html ↗
- http://www.openwall.com/lists/oss-security/2011/07/15/7 ↗
- http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5 ↗
- http://secunia.com/advisories/45193 ↗