CVE-2014-0148

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    CVE-2014-0148

    Published: 29 Sept 2022Last Modified: 16 Apr 2026

    Summary:

    Details: Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like 'sectors_per_block' etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.

    References: http://rhn.redhat.com/errata/RHSA-2014-0420.html, http://rhn.redhat.com/errata/RHSA-2014-0421.html, http://www.openwall.com/lists/oss-security/2014/03/26/8, https://bugzilla.redhat.com/show_bug.cgi?id=1078212, https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html, http://www.openwall.com/lists/oss-security/2014/03/26/8, https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html, http://www.openwall.com/lists/oss-security/2014/03/26/8, https://bugzilla.redhat.com/show_bug.cgi?id=1078212, https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html, https://bugzilla.redhat.com/show_bug.cgi?id=1078212, http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6

    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
    CVE-2014-0148 | CVE-DB