CVE-2014-3601

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    CVE-2014-3601

    Published: 1 Sept 2014Last Modified: 16 Apr 2026

    Summary:

    Details: The kvm_iommu_map_pages function in virt/kvm/iommu.c in the Linux kernel through 3.16.1 miscalculates the number of pages during the handling of a mapping failure, which allows guest OS users to (1) cause a denial of service (host OS memory corruption) or possibly have unspecified other impact by triggering a large gfn value or (2) cause a denial of service (host OS memory consumption) by triggering a small gfn value that leads to permanently pinned pages.

    References: http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html, http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html, http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html, http://secunia.com/advisories/60830, http://www.ubuntu.com/usn/USN-2356-1, http://www.ubuntu.com/usn/USN-2357-1, http://www.ubuntu.com/usn/USN-2358-1, http://www.ubuntu.com/usn/USN-2359-1, https://github.com/torvalds/linux/commit/350b8bdd689cd2ab2c67c8a86a0be86cfa0751a7, https://github.com/torvalds/linux/commit/350b8bdd689cd2ab2c67c8a86a0be86cfa0751a7, https://bugzilla.redhat.com/show_bug.cgi?id=1131951, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=350b8bdd689cd2ab2c67c8a86a0be86cfa0751a7, http://www.securityfocus.com/bid/69489, https://exchange.xforce.ibmcloud.com/vulnerabilities/95689

    Affected packages

    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