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CVE-2016-1981

MEDIUM
5.5
CVSS Score
Published: December 29, 2016 at 10:00 PM UTC
Updated: June 17, 2026 at 12:43 AM UTC
2 products affected across 2 vendorsDebian LinuxQEMU

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (10)

Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-2585.html
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2016/dsa-3469
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2016/dsa-3470
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2016/dsa-3471
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/01/19/10
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/01/22/1
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/81549
x_refsource_CONFIRMIssue Tracking
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1298570

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-835

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