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    CVE-2013-4205

    Memory leak in the unshare_userns function in kernel/user_namespace.c in the Linux kernel before 3.10.6 allows local users to cause a denial of service (memory consumption) via an invalid CLONE_NEWUSER unshare call.

    Published:Aug 25, 2013
    Last Modified:Apr 11, 2025
    EPS:Aug 25, 2013
    EPSS Score:0.00097
    CVSS Score:4.7

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6160968cee8b90a5dd95318d716e31d7775c4ef3
    http://twitter.com/grsecurity/statuses/364566062336978944
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.6
    http://www.openwall.com/lists/oss-security/2013/08/06/2
    http://www.ubuntu.com/usn/USN-1971-1
    http://www.ubuntu.com/usn/USN-1974-1
    https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6160968cee8b90a5dd95318d716e31d7775c4ef3
    http://twitter.com/grsecurity/statuses/364566062336978944
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.6
    http://www.openwall.com/lists/oss-security/2013/08/06/2
    http://www.ubuntu.com/usn/USN-1971-1
    http://www.ubuntu.com/usn/USN-1974-1
    https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3

    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