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    CVE-2014-3144

    The (1) BPF_S_ANC_NLATTR and (2) BPF_S_ANC_NLATTR_NEST extension implementations in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 do not check whether a certain length value is sufficiently large, which allows local users to cause a denial of service (integer underflow and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr and __skb_get_nlattr_nest functions before the vulnerability was announced.

    Published:Apr 13, 2014
    Last Modified:Apr 12, 2025
    EPS:May 11, 2014
    EPSS Score:0.00057
    CVSS Score:4.9

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Oracle
    Product
    Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg

    Exploits

    https://github.com/torvalds/linux/commit/05ab8f2647e4221cbdb3856dd7d32bd5407316b3https://github.com/torvalds/linux/commit/05ab8f2647e4221cbdb3856dd7d32bd5407316b3

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=05ab8f2647e4221cbdb3856dd7d32bd5407316b3
    http://linux.oracle.com/errata/ELSA-2014-3052.html
    http://secunia.com/advisories/58990
    http://secunia.com/advisories/59311
    http://secunia.com/advisories/59597
    http://secunia.com/advisories/60613
    http://www.debian.org/security/2014/dsa-2949
    http://www.openwall.com/lists/oss-security/2014/05/09/6
    http://www.securityfocus.com/bid/67309
    http://www.ubuntu.com/usn/USN-2251-1
    http://www.ubuntu.com/usn/USN-2252-1
    http://www.ubuntu.com/usn/USN-2259-1
    http://www.ubuntu.com/usn/USN-2261-1
    http://www.ubuntu.com/usn/USN-2262-1
    http://www.ubuntu.com/usn/USN-2263-1
    http://www.ubuntu.com/usn/USN-2264-1
    https://github.com/torvalds/linux/commit/05ab8f2647e4221cbdb3856dd7d32bd5407316b3
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=05ab8f2647e4221cbdb3856dd7d32bd5407316b3
    http://linux.oracle.com/errata/ELSA-2014-3052.html
    http://secunia.com/advisories/58990
    http://secunia.com/advisories/59311
    http://secunia.com/advisories/59597
    http://secunia.com/advisories/60613
    http://www.debian.org/security/2014/dsa-2949
    http://www.openwall.com/lists/oss-security/2014/05/09/6
    http://www.securityfocus.com/bid/67309
    http://www.ubuntu.com/usn/USN-2251-1
    http://www.ubuntu.com/usn/USN-2252-1
    http://www.ubuntu.com/usn/USN-2259-1
    http://www.ubuntu.com/usn/USN-2261-1
    http://www.ubuntu.com/usn/USN-2262-1
    http://www.ubuntu.com/usn/USN-2263-1
    http://www.ubuntu.com/usn/USN-2264-1
    https://github.com/torvalds/linux/commit/05ab8f2647e4221cbdb3856dd7d32bd5407316b3

    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