Vulnerability Monitor

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CVE-2016-5126


Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call.


Published

2016-06-01T22:59:08.050

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-787

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application qemu qemu ≤ 2.6.2 Yes
Operating System canonical ubuntu_linux 12.04 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System oracle linux 7 Yes
Operating System debian debian_linux 8.0 Yes
Application redhat openstack 6.0 Yes
Application redhat openstack 7.0 Yes
Application redhat openstack 8 Yes
Application redhat openstack 9 Yes
Operating System redhat enterprise_linux_desktop 7.0 Yes
Operating System redhat enterprise_linux_eus 7.2 Yes
Operating System redhat enterprise_linux_eus 7.3 Yes
Operating System redhat enterprise_linux_eus 7.4 Yes
Operating System redhat enterprise_linux_eus 7.5 Yes
Operating System redhat enterprise_linux_eus 7.6 Yes
Operating System redhat enterprise_linux_eus 7.7 Yes
Operating System redhat enterprise_linux_server 7.0 Yes
Operating System redhat enterprise_linux_server_aus 7.2 Yes
Operating System redhat enterprise_linux_server_aus 7.3 Yes
Operating System redhat enterprise_linux_server_aus 7.4 Yes
Operating System redhat enterprise_linux_server_aus 7.6 Yes
Operating System redhat enterprise_linux_server_aus 7.7 Yes
Operating System redhat enterprise_linux_server_tus 7.2 Yes
Operating System redhat enterprise_linux_server_tus 7.3 Yes
Operating System redhat enterprise_linux_server_tus 7.6 Yes
Operating System redhat enterprise_linux_server_tus 7.7 Yes
Operating System redhat enterprise_linux_workstation 7.0 Yes
Application redhat openstack 5.0 Yes
Application redhat virtualization 3.0 Yes
Operating System redhat enterprise_linux 7.0 No

References