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CVE-2018-20216

Date: December 20, 2018

QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).

Language: C

Severity Score

7.5

Related Resources (8)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2018-20216

Url: https://usn.ubuntu.com/3923-1/

Url: https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.html

Url: https://security-tracker.debian.org/tracker/CVE-2018-20216

Url: http://www.securityfocus.com/bid/106291

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-20216

Url: http://www.openwall.com/lists/oss-security/2018/12/19/2

Url: https://www.mend.io/vulnerability-database/CVE-2018-20216

Severity Score

7.5

Weakness Type (CWE)

Improper Input Validation

CWE-20

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

Unchecked Return Value

CWE-252

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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