Home/CVE/The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO r
CVE

CVE-2015-8818

The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO r

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.

MEDIUM · CVSS 5.5 EPSS 0.00094
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
▤

Affected Products & Versions

1
qemu<= 2.3.1
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Dec 2016 · 10:59 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

10
suse-csafSUSE-SU-2016:1703-1
suse-csafSUSE-SU-2016:1560-1
suse-csafSUSE-SU-2016:1318-1
suse-csafSUSE-SU-2016:0955-1
suse-csafSUSE-SU-2016:0873-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.qemu.org/?p=qemu.git
http://rhn.redhat.com/errata/RHSA-2016-2670.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2671.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2704.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2705.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2706.htmlThird Party Advisory
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