Skip to content
Fencer Intel
medium 5.5

CVE-2015-8818 json

The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO regions, which allow…

published 9y ago modified 4mo ago also EUVD-2015-8684

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO regions, which allows local privileged guest users to cause a denial of service (guest crash) via unspecified vectors.

Patch / fix

  • qemu Debian 14, Debian 13, Debian 12 1:2.4+dfsg-1a

debian advisories DEBIAN-CVE-2015-8818

  • qemu-kvm-rhev openstack 9, openstack 8, openstack 7 +2 more 10:2.6.0-27.el7
  • qemu-img-rhev openstack 9, openstack 8, openstack 7 +2 more 10:2.6.0-27.el7
  • qemu-kvm-tools-rhev openstack 9, openstack 8, openstack 7 +2 more 10:2.6.0-27.el7
  • qemu-kvm-common-rhev openstack 9, openstack 8, openstack 7 +2 more 10:2.6.0-27.el7

red hat advisories RHSA-2016:2671RHSA-2016:2704RHSA-2016:2705RHSA-2016:2706RHSA-2016:2670

  • qemu SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 2.3.1-14.1
  • 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

suse advisories SUSE-SU-2016:1703-1SUSE-SU-2016:1560-1SUSE-SU-2016:1318-1SUSE-SU-2016:0955-1SUSE-SU-2016:0873-1

Is CVE-2015-8818 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2015-8818 updated cvss 4.0

Qemu: OOB access in address_space_rw leads to segmentation fault

  • Red Hat Enterprise Linux 7 qemu-kvm-rhev
    affected: no fix available
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 qemu-img-rhev 2.6.0-27.el7, qemu-kvm-rhev 2.6.0-27.el7, qemu-kvm-tools-rhev 2.6.0-27.el7, qemu-kvm-common-rhev 2.6.0-27.el7
    fixed: vendor fix RHSA-2016:2706
  • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-img-rhev 2.6.0-27.el7, qemu-kvm-rhev 2.6.0-27.el7, qemu-kvm-tools-rhev 2.6.0-27.el7, qemu-kvm-common-rhev 2.6.0-27.el7
    fixed: vendor fix RHSA-2016:2705
  • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-img-rhev 2.6.0-27.el7, qemu-kvm-rhev 2.6.0-27.el7, qemu-kvm-tools-rhev 2.6.0-27.el7, qemu-kvm-common-rhev 2.6.0-27.el7
    fixed: vendor fix RHSA-2016:2704
  • Red Hat OpenStack Platform 8.0 (Liberty) qemu-img-rhev 2.6.0-27.el7, qemu-kvm-rhev 2.6.0-27.el7, qemu-kvm-tools-rhev 2.6.0-27.el7, qemu-kvm-common-rhev 2.6.0-27.el7
    fixed: vendor fix RHSA-2016:2670
  • Red Hat OpenStack Platform 9.0 qemu-img-rhev 2.6.0-27.el7, qemu-kvm-rhev 2.6.0-27.el7, qemu-kvm-tools-rhev 2.6.0-27.el7, qemu-kvm-common-rhev 2.6.0-27.el7
    fixed: vendor fix RHSA-2016:2671
  • Red Hat Enterprise Linux 5 kvm Red Hat Enterprise Linux 6 qemu-img, qemu-kvm, qemu-kvm-rhev, qemu-kvm-tools, qemu-guest-agent, qemu-guest-agent-win32 Red Hat Enterprise Linux 7 qemu-img, qemu-kvm, libcacard, qemu-kvm-tools, libcacard-tools, qemu-kvm-common, +1 more
    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

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P

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.