6.5

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.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.16%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 14-10-2026
    PublishedVulnerability 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 version

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 score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • dpdkAll versions (No fix recorded)
Ubuntu1 product
  • dpdkAll versions (No fix recorded)

2 vendors · 2 products

References

7 links