CVE-2018-20216
HIGHCVSS 7.5/10EPSS 3.88%
Last modified
CVE-2018-20216 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).. EPSS estimates a 3.88% chance of exploitation in the next 30 days.
Description
QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 3.1.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
References
- http://www.openwall.com/lists/oss-security/2018/12/19/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/106291Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.htmlPatch, Third Party Advisory
- https://usn.ubuntu.com/3923-1/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/12/19/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/106291Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.htmlPatch, Third Party Advisory
- https://usn.ubuntu.com/3923-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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).
How severe is CVE-2018-20216?
CVE-2018-20216 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.88% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20216?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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