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    CVE-2012-5374

    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.

    Published:Dec 13, 2012
    Last Modified:Apr 11, 2025
    EPS:Feb 18, 2013
    EPSS Score:0.00043
    CVSS Score:4

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    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://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html
    http://openwall.com/lists/oss-security/2012/12/13/20
    http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2
    http://www.ubuntu.com/usn/USN-1944-1
    http://www.ubuntu.com/usn/USN-1945-1
    http://www.ubuntu.com/usn/USN-1946-1
    http://www.ubuntu.com/usn/USN-1947-1
    http://www.ubuntu.com/usn/USN-2017-1
    https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89
    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://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html
    http://openwall.com/lists/oss-security/2012/12/13/20
    http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2
    http://www.ubuntu.com/usn/USN-1944-1
    http://www.ubuntu.com/usn/USN-1945-1
    http://www.ubuntu.com/usn/USN-1946-1
    http://www.ubuntu.com/usn/USN-1947-1
    http://www.ubuntu.com/usn/USN-2017-1
    https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High