DEBIAN-CVE-2026-86566

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Source
https://security-tracker.debian.org/tracker/CVE-2026-86566
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86566.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-86566
Upstream
  • CVE-2026-86566
Published
2026-10-14T18:19:18Z
Modified
2026-10-15T05:01:35Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:12 / dpdk

Package

Name
dpdk
Purl
pkg:deb/debian/dpdk?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

22.*
22.11.1-2
22.11.2-1
22.11.2-2~deb12u1
22.11.2-2
22.11.2-3
22.11.3-1~deb12u1
22.11.3-1
22.11.3-2
22.11.4-1~deb12u1
22.11.5-1~deb12u1
22.11.6-1~deb12u1
22.11.7-1~deb12u1
22.11.8-1~deb12u1
22.11.9-1~deb12u1
22.11.11-0+deb12u1
23.*
23.11-1~exp1
23.11-1
23.11.1-1
23.11.1-2
23.11.2-1
23.11.2-1+exp1
23.11.2-1+exp2
23.11.2-1+exp3
23.11.2-1+exp4
23.11.2-2
23.11.2-3
24.*
24.11~rc2-1
24.11~rc2-2
24.11~rc3-1
24.11~rc4-1
24.11-1
24.11-2
24.11.1-1
24.11.2-1
24.11.2-2
24.11.3-1~deb13u1
24.11.3-1
24.11.3-2
25.*
25.11-1
25.11-2
25.11.1-1
25.11.2-1
25.11.3-1
25.11.4-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86566.json"

Debian:13 / dpdk

Package

Name
dpdk
Purl
pkg:deb/debian/dpdk?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

24.*
24.11.2-2
24.11.3-1~deb13u1
24.11.3-1
24.11.3-2
24.11.4-0+deb13u1
25.*
25.11-1
25.11-2
25.11.1-1
25.11.2-1
25.11.3-1
25.11.4-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86566.json"

Debian:14 / dpdk

Package

Name
dpdk
Purl
pkg:deb/debian/dpdk?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

24.*
24.11.2-2
24.11.3-1~deb13u1
24.11.3-1
24.11.3-2
25.*
25.11-1
25.11-2
25.11.1-1
25.11.2-1
25.11.3-1
25.11.4-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86566.json"