CVE-2011-2493 - Hetero Crappy

Description

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel before 2.6.39 does not properly initialize a certain error-report data structure which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.

Reference

https://github.com/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0449641130f5652b344ef6fa39fa019d7e94660a http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 http://www.openwall.com/lists/oss-security/2011/06/24/4