CVE-2026-86847: dpdk Access of Uninitialized Pointer
CVSS: 6.5v3.1MediumAwaiting analysis
AliasesDEBIAN-CVE-2026-86847UBUNTU-CVE-2026-86847
Published 14-10-2026Last modified 14-10-2026
Vulnerability summary
CVE-2026-86847 is a medium (CVSS 6.5) Access of Uninitialized Pointer vulnerability in dpdk. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.5% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.16%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 14-10-2026PublishedVulnerability first disclosed.
Description
A flaw was found in DPDK lib/vhost vhost-crypto. Write-back chain cleanup can follow an uninitialized next pointer when mapping a guest descriptor fails, causing the host vhost-crypto process to hang or crash.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HSourcesAll 4 agree
- NVDNIST6.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
15-10-202619-10-2026
EPSS score0.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- dpdkAll versions (No fix recorded)
Ubuntu1 product
- dpdkAll versions (No fix recorded)
2 vendors · 2 products