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.
References
- https://github.com/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0449641130f5652b344ef6fa39fa019d7e94660a
- [oss-security] 20110624 Re: CVE request: kernel: ext4: init timer earlier to avoid a kernel panic in __save_error_info mailing-list
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39