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    CVE-2012-2119

    Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length.

    Published:Apr 16, 2012
    Last Modified:Apr 11, 2025
    EPS:Jan 22, 2013
    EPSS Score:0.00244
    CVSS Score:5.2

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    References

    http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73
    http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
    http://marc.info/?l=linux-netdev&m=133455718001608&w=2
    http://rhn.redhat.com/errata/RHSA-2012-0743.html
    http://ubuntu.com/usn/usn-1529-1
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
    http://www.openwall.com/lists/oss-security/2012/04/19/14
    https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73
    https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73
    http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73
    http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
    http://marc.info/?l=linux-netdev&m=133455718001608&w=2
    http://rhn.redhat.com/errata/RHSA-2012-0743.html
    http://ubuntu.com/usn/usn-1529-1
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
    http://www.openwall.com/lists/oss-security/2012/04/19/14
    https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73
    https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73

    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