CVE-2016-5126

HIGH

7.8

CVSS Score

Published: June 1, 2016 at 10:00 PM UTC

Updated: June 17, 2026 at 12:48 AM UTC

13 products affected across 5 vendorsDebian LinuxUbuntu LinuxEnterprise Linux Desktop

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Severity

HIGH7.8

Exploit prediction

EPSS 0.7%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux · Canonicalrubygems

95%

12.04 14.04 16.04

Debian Linux · Debiandrupal

95%

8.0

Linux · Oracledrupal

95%

QEMU · Qemu

95%

v ≤ 2.6.2

Enterprise Linux Desktop · Red Hatrubygems

95%

7.0

Enterprise Linux Eus · Red Hatrpm

95%

7.2 7.3 7.4 7.5 7.6 7.7

Enterprise Linux Server · Red Hatrubygems

95%

7.0

Enterprise Linux Server Aus · Red Hatrubygems

95%

7.2 7.3 7.4 7.6 7.7

Enterprise Linux Server Tus · Red Hatrubygems

95%

7.2 7.3 7.6 7.7

Enterprise Linux Workstation · Red Hatrubygems

95%

7.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references