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Vendor Workaround
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
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Wed, 14 Oct 2026 20:30:00 +0000
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| Metrics |
ssvc
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Wed, 14 Oct 2026 18:00:00 +0000
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| Description | A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK. | |
| Title | Dpdk: dpdk: guest with runt rx descriptors underflows copy length in vhost enqueue (split and packed rings) | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat openshift Redhat openstack |
|
| Weaknesses | CWE-191 | |
| CPEs | cpe:/a:redhat:openshift:4 cpe:/a:redhat:openstack:13 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:10::fastdatapath cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:8::fastdatapath cpe:/o:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9::fastdatapath |
|
| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat openshift Redhat openstack |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-10-14T19:34:42.540Z
Reserved: 2026-09-08T02:56:43.567Z
Link: CVE-2026-86566
Updated: 2026-10-14T19:34:39.006Z
Status : Awaiting Analysis
Published: 2026-10-14T18:19:18.203
Modified: 2026-10-14T20:17:59.953
Link: CVE-2026-86566
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