CVE-2012-5374 | BDVDB-2026-54649 Detail
Description#
The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2
- http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/
- https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9c52057c698fb96f8f07e7a4bcf4801a092bda89
- http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html
- http://www.ubuntu.com/usn/USN-1944-1
- http://www.ubuntu.com/usn/USN-1945-1
- http://www.ubuntu.com/usn/USN-2017-1
- http://www.ubuntu.com/usn/USN-1947-1
- http://openwall.com/lists/oss-security/2012/12/13/20
- http://www.ubuntu.com/usn/USN-1946-1
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.