Login Request a demo
Medium severity · published Dec 29, 2016
CVE-2016-1981
QEMU (aka Quick Emulator) built with the e1000 NIC emulation support is vulnerable to an infinite loop issue
5.5
CVSS
0.4%
EPSS
No
On KEV
Description
QEMU (aka Quick Emulator) built with the e1000 NIC emulation support is vulnerable to an infinite loop issue. It could occur while processing data via transmit or receive descriptors, provided the initial receive/transmit descriptor head (TDH/RDH) is set outside the allocated descriptor buffer. A privileged user inside guest could use this flaw to crash the QEMU instance resulting in DoS.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0 · source: NVD
QE
Qemu · Qemu
through 2.5.1.1 · source: NVD
Affected product
DL
Debian Linux
Debian
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-1981
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-1981
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2585.html
Third Party Advisory
http://www.debian.org/security/2016/dsa-3469
Third Party Advisory
http://www.debian.org/security/2016/dsa-3470
Third Party Advisory
http://www.debian.org/security/2016/dsa-3471
Mailing List
http://www.openwall.com/lists/oss-security/2016/01/19/10
Mailing List
http://www.openwall.com/lists/oss-security/2016/01/22/1
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