CVE-2018-20216

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.88% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.3% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-12-20 21:00Z7 YR AGO

Last updated

2024-08-05 11:58Z2 YR AGO

Reserved

2018-12-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-252Unchecked Return ValueBase
• CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base

Data version

5.1

Document digest

e2b98b77105c1687c66762b8c9e7bbf5d5106ad683508fc6bb18b1a00aafb3c1

• www.openwall.com[oss-security] 20181219 CVE-2018-20216 QEMU: pvrdma: infinite loop in pvrdma_qp_send/recvhttp://www.openwall.com/lists/oss-security/2018/12/19/2mailing-listx_refsource_MLIST
• lists.gnu.org[qemu-devel] 20181213 Re: [PATCH v2 6/6] pvrdma: check return value from pvrdma_idx_ring_has_ routineshttps://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.htmlmailing-listx_refsource_MLIST
• www.securityfocus.com106291http://www.securityfocus.com/bid/106291vdb-entryx_refsource_BID
• usn.ubuntu.comUSN-3923-1https://usn.ubuntu.com/3923-1/vendor-advisoryx_refsource_UBUNTU