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    CVE-2016-6351

    The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.

    Published:Jun 15, 2016
    Last Modified:Apr 12, 2025
    EPS:Sep 7, 2016
    EPSS Score:0.00237
    CVSS Score:6.7

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Qemu
    Product
    Qemu

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
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    References

    http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11
    http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3
    http://www.openwall.com/lists/oss-security/2016/07/25/14
    http://www.openwall.com/lists/oss-security/2016/07/26/7
    http://www.securityfocus.com/bid/92119
    http://www.ubuntu.com/usn/USN-3047-1
    http://www.ubuntu.com/usn/USN-3047-2
    https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
    http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11
    http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3
    http://www.openwall.com/lists/oss-security/2016/07/25/14
    http://www.openwall.com/lists/oss-security/2016/07/26/7
    http://www.securityfocus.com/bid/92119
    http://www.ubuntu.com/usn/USN-3047-1
    http://www.ubuntu.com/usn/USN-3047-2
    https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

    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