Home/CVE/An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cm
CVE

CVE-2018-16847

An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cm

An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.

HIGH · CVSS 7.8 EPSS 0.00091
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
qemu<= 3.0.0
qemuall versions
canonical ubuntu linuxall versions
◈

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

7.8
HIGH · 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 NVD02 Nov 2018 · 10:29 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

4
suse-csafSUSE-SU-2018:4185-1
suse-csafSUSE-SU-2018:4086-1
suse-csafSUSE-SU-2018:3927-1
usnUSN-3826-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/105866Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847Issue TrackingPatchThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.htmlMailing ListPatchThird Party Advisory
https://usn.ubuntu.com/3826-1/Third Party Advisory
https://www.openwall.com/lists/oss-security/2018/11/02/1Mailing ListPatchThird Party Advisory
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