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    CVE-2011-4326

    The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device.

    Published:Mar 3, 2011
    Last Modified:Apr 11, 2025
    EPS:May 17, 2012
    EPSS Score:0.01502
    CVSS Score:7.1

    Affected Products

    Vendor
    Avaya
    Product
    96x1 Ip Deskphone
    Vendor
    Avaya
    Product
    96x1 Ip Deskphone Firmware
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=682066https://bugzilla.redhat.com/show_bug.cgi?id=682066

    References

    http://downloads.avaya.com/css/P8/documents/100156038
    http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde
    http://www.openwall.com/lists/oss-security/2011/11/21/10
    http://www.securityfocus.com/bid/50751
    https://bugzilla.redhat.com/show_bug.cgi?id=682066
    https://bugzilla.redhat.com/show_bug.cgi?id=755584
    https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde
    http://downloads.avaya.com/css/P8/documents/100156038
    http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde
    http://www.openwall.com/lists/oss-security/2011/11/21/10
    http://www.securityfocus.com/bid/50751
    https://bugzilla.redhat.com/show_bug.cgi?id=682066
    https://bugzilla.redhat.com/show_bug.cgi?id=755584
    https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde

    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