CVE-2018-20216

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

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.html	Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2018/12/19/2	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/106291	Third Party Advisory VDB Entry
https://usn.ubuntu.com/3923-1/	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Information

Published : 2018-12-20 13:29

Updated : 2020-05-12 10:44

NVD link : CVE-2018-20216

Mitre link : CVE-2018-20216

JSON object : View

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-252

Unchecked Return Value

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Products Affected

canonical

ubuntu_linux

qemu

qemu

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