High severity · published Nov 2, 2018
CVE-2018-16847
An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QE
Qemu · Qemu
through 3.0.0; 3.1.0; 3.1.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-16847
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-16847
Third Party Advisory
http://www.securityfocus.com/bid/105866
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847
Mailing List
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html
Third Party Advisory
https://usn.ubuntu.com/3826-1/
Mailing List
https://www.openwall.com/lists/oss-security/2018/11/02/1
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