The CRC32C feature in the Btrfs implementation in the Linux...
Vulnerability 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 Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.