CVE-2016-5126

Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 01 Jun 2016, 22:00
Last modified:06 Aug 2024, 00:53

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.2% LOW
0% probability -0.06%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

01 Jun 2016, 22:00
Published
Vulnerability first disclosed
06 Aug 2024, 00:53
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.20%• Percentile: 42%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • canonical•ubuntu_linux

    12.04 | 14.04 | 16.04

  • debian•debian_linux

    8.0

  • oracle•linux

    7

  • qemu•qemu

    ≤ 2.6.2

  • redhat•enterprise_linux_desktop

    7.0

  • redhat•enterprise_linux_eus

    7.2 | 7.3 | 7.4 | 7.5 | 7.6 | 7.7

  • redhat•enterprise_linux_server

    7.0

  • redhat•enterprise_linux_server_aus

    7.2 | 7.3 | 7.4 | 7.6 | 7.7

  • redhat•enterprise_linux_server_tus

    7.2 | 7.3 | 7.6 | 7.7

  • redhat•enterprise_linux_workstation

    7.0

  • redhat•openstack

    6.0 | 7.0 | 8 | 9 | 5.0

  • redhat•virtualization

    3.0

References (18)