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CVE
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CVE-2012-5374Date: (C)2013-02-18   (M)2024-02-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.0
Exploit Score: 1.9
Impact Score: 6.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: HIGH
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: COMPLETE
  
Reference:
USN-1944-1
USN-1945-1
USN-1946-1
USN-1947-1
USN-2017-1
http://openwall.com/lists/oss-security/2012/12/13/20
http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9c52057c698fb96f8f07e7a4bcf4801a092bda89
http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2
https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89
openSUSE-SU-2013:0395

CPE    171
cpe:/o:linux:linux_kernel:3.0.40
cpe:/o:linux:linux_kernel:3.1.10
cpe:/o:linux:linux_kernel:3.0.42
cpe:/o:linux:linux_kernel:3.0.41
...
CWE    1
CWE-310
OVAL    8
oval:org.secpod.oval:def:701482
oval:org.secpod.oval:def:701480
oval:org.secpod.oval:def:400504
oval:org.secpod.oval:def:400507
...

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