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Fencer Intel
high 8.8

CVE-2016-1568 json

Use-after-free vulnerability in hw/ide/ahci.c in QEMU, when built with IDE AHCI Emulation support, allows guest OS users to cause a denial…

published 2016-04-08 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2663

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

Use-after-free vulnerability in hw/ide/ahci.c in QEMU, when built with IDE AHCI Emulation support, allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via an invalid AHCI Native Command Queuing (NCQ) AIO command.

Patch / fix

  • qemu Debian 14, Debian 13, Debian 12 1:2.5+dfsg-2

debian advisories DEBIAN-CVE-2016-1568

  • qemu Ubuntu 14.04 LTS 2.0.0+dfsg-2ubuntu1.22

ubuntu advisories UBUNTU-CVE-2016-1568

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • qemu-kvm-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.3.0-31.el7_2.7
  • qemu-img-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.3.0-31.el7_2.7
  • libcacard-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.3.0-31.el7_2.7
  • qemu-kvm-tools-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.3.0-31.el7_2.7
  • libcacard-tools-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.3.0-31.el7_2.7
  • qemu-kvm-common-rhev RHEL 7, openstack 7, openstack 6 +1 more 10:2.3.0-31.el7_2.7
  • libcacard-devel-rhev RHEL 7, openstack 6, openstack 5 10:2.3.0-31.el7_2.7

red hat advisories RHSA-2016:0088RHSA-2016:0087RHSA-2016:0084RHSA-2016:0086

  • kvm SLES for SAP 11 SP4, SLES 11 SP4 1.4.2-44.1
  • qemu SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 2.3.1-14.1
  • kvm SLES 11 SP3-TERADATA, SLES 11 SP3-LTSS 1.4.2-46.1
  • qemu SLES for SAP 12, SLES 12, SLED 12 2.0.2-48.19.1
  • xen SLES for SAP 12, SLES 12, SLED 12 +1 more 4.4.4_02-22.19.1
  • xen SLES for SAP 11 SP4, SLES 11 SP4, SLED 11 SP4 +1 more 4.4.4_02-32.1
  • xen SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 +1 more 4.5.2_06-7.1
  • xen SLES 11 SP3-LTSS 4.2.5_20-24.9

suse advisories SUSE-SU-2016:1785-1SUSE-SU-2016:1745-1SUSE-SU-2016:1703-1SUSE-SU-2016:1698-1SUSE-SU-2016:1560-1SUSE-SU-2016:1318-1

  • xen openSUSE Tumbleweed 4.7.0_12-1.3

opensuse advisories openSUSE-SU-2024:10196-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-1568 updated cvss 4.0

Qemu: ide: ahci use-after-free vulnerability in aio port commands

  • Red Hat Enterprise Linux 7 qemu-img, qemu-kvm, libcacard, qemu-kvm-tools, libcacard-tools, qemu-kvm-common, +1 more Red Hat OpenStack Platform 8 (Liberty) qemu-img-rhev, qemu-kvm-rhev, libcacard-rhev, qemu-kvm-tools-rhev, libcacard-devel-rhev, libcacard-tools-rhev, +1 more
    affected: no fix available
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 qemu-img-rhev 2.3.0-31.el7_2.7, qemu-kvm-rhev 2.3.0-31.el7_2.7, libcacard-rhev 2.3.0-31.el7_2.7, qemu-kvm-tools-rhev 2.3.0-31.el7_2.7, libcacard-devel-rhev 2.3.0-31.el7_2.7, libcacard-tools-rhev 2.3.0-31.el7_2.7, +1 more
    fixed: vendor fix RHSA-2016:0086
  • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-img-rhev 2.3.0-31.el7_2.7, qemu-kvm-rhev 2.3.0-31.el7_2.7, libcacard-rhev 2.3.0-31.el7_2.7, qemu-kvm-tools-rhev 2.3.0-31.el7_2.7, libcacard-devel-rhev 2.3.0-31.el7_2.7, libcacard-tools-rhev 2.3.0-31.el7_2.7, +1 more
    fixed: vendor fix RHSA-2016:0087
  • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-img-rhev 2.3.0-31.el7_2.7, qemu-kvm-rhev 2.3.0-31.el7_2.7, libcacard-rhev 2.3.0-31.el7_2.7, qemu-kvm-tools-rhev 2.3.0-31.el7_2.7, libcacard-tools-rhev 2.3.0-31.el7_2.7, qemu-kvm-common-rhev 2.3.0-31.el7_2.7
    fixed: vendor fix RHSA-2016:0088
  • Red Hat RHEV Power Host qemu-img-rhev 2.3.0-31.el7_2.7, qemu-kvm-rhev 2.3.0-31.el7_2.7, libcacard-rhev 2.3.0-31.el7_2.7, qemu-kvm-tools-rhev 2.3.0-31.el7_2.7, libcacard-devel-rhev 2.3.0-31.el7_2.7, libcacard-tools-rhev 2.3.0-31.el7_2.7, +1 more Red Hat RHEV-H and VDSM for 7 Hosts qemu-img-rhev 2.3.0-31.el7_2.7, qemu-kvm-rhev 2.3.0-31.el7_2.7, libcacard-rhev 2.3.0-31.el7_2.7, qemu-kvm-tools-rhev 2.3.0-31.el7_2.7, libcacard-devel-rhev 2.3.0-31.el7_2.7, libcacard-tools-rhev 2.3.0-31.el7_2.7, +1 more
    fixed: vendor fix RHSA-2016:0084
  • Red Hat Enterprise Linux 5 kvm, xen Red Hat Enterprise Linux 6 qemu-img, qemu-kvm, qemu-kvm-rhev, qemu-kvm-tools, qemu-guest-agent, qemu-guest-agent-win32
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.