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    CVE-2010-4160

    Multiple integer overflows in the (1) pppol2tp_sendmsg function in net/l2tp/l2tp_ppp.c, and the (2) l2tp_ip_sendmsg function in net/l2tp/l2tp_ip.c, in the PPPoL2TP and IPoL2TP implementations in the Linux kernel before 2.6.36.2 allow local users to cause a denial of service (heap memory corruption and panic) or possibly gain privileges via a crafted sendto call.

    Published:Nov 1, 2010
    Last Modified:Apr 11, 2025
    EPS:Jan 7, 2011
    EPSS Score:0.00162
    CVSS Score:6.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Suse
    Product
    Linux Enterprise Desktop
    Vendor
    Suse
    Product
    Linux Enterprise Server
    Vendor
    Suse
    Product
    Linux Enterprise Software Development Kit

    Exploits

    http://xorl.wordpress.com/2010/11/11/cve-2010-4160-linux-kernel-l2tp-integer-overflows/http://xorl.wordpress.com/2010/11/11/cve-2010-4160-linux-kernel-l2tp-integer-overflows/

    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=253eacc070b114c2ec1f81b067d2fed7305467b0
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8acfe468b0384e834a303f08ebc4953d72fb690a
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
    http://openwall.com/lists/oss-security/2010/11/10/16
    http://openwall.com/lists/oss-security/2010/11/10/5
    http://openwall.com/lists/oss-security/2010/11/24/12
    http://openwall.com/lists/oss-security/2010/11/24/4
    http://openwall.com/lists/oss-security/2010/11/24/5
    http://openwall.com/lists/oss-security/2010/11/24/6
    http://secunia.com/advisories/42801
    http://secunia.com/advisories/42890
    http://secunia.com/advisories/42932
    http://secunia.com/advisories/43056
    http://secunia.com/advisories/43291
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
    http://www.redhat.com/support/errata/RHSA-2011-0007.html
    http://www.securityfocus.com/bid/44762
    http://www.spinics.net/lists/netdev/msg145248.html
    http://www.spinics.net/lists/netdev/msg145673.html
    http://www.vupen.com/english/advisories/2011/0012
    http://www.vupen.com/english/advisories/2011/0124
    http://www.vupen.com/english/advisories/2011/0213
    http://www.vupen.com/english/advisories/2011/0375
    http://xorl.wordpress.com/2010/11/11/cve-2010-4160-linux-kernel-l2tp-integer-overflows/
    https://bugzilla.redhat.com/show_bug.cgi?id=651892
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=253eacc070b114c2ec1f81b067d2fed7305467b0
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8acfe468b0384e834a303f08ebc4953d72fb690a
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
    http://openwall.com/lists/oss-security/2010/11/10/16
    http://openwall.com/lists/oss-security/2010/11/10/5
    http://openwall.com/lists/oss-security/2010/11/24/12
    http://openwall.com/lists/oss-security/2010/11/24/4
    http://openwall.com/lists/oss-security/2010/11/24/5
    http://openwall.com/lists/oss-security/2010/11/24/6
    http://secunia.com/advisories/42801
    http://secunia.com/advisories/42890
    http://secunia.com/advisories/42932
    http://secunia.com/advisories/43056
    http://secunia.com/advisories/43291
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
    http://www.redhat.com/support/errata/RHSA-2011-0007.html
    http://www.securityfocus.com/bid/44762
    http://www.spinics.net/lists/netdev/msg145248.html
    http://www.spinics.net/lists/netdev/msg145673.html
    http://www.vupen.com/english/advisories/2011/0012
    http://www.vupen.com/english/advisories/2011/0124
    http://www.vupen.com/english/advisories/2011/0213
    http://www.vupen.com/english/advisories/2011/0375
    http://xorl.wordpress.com/2010/11/11/cve-2010-4160-linux-kernel-l2tp-integer-overflows/
    https://bugzilla.redhat.com/show_bug.cgi?id=651892

    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