CVE-2026-100236

HIGH 8.6

Dpdk: dpdk: heap out-of-bounds read/write in gso header copy

CVSS Score

8.6

EPSS Score

0.0%

EPSS Percentile

0th

A flaw was found in the DPDK GSO library. When software GSO copies packet headers into a new mbuf, it does not check that the header fits in the source first segment or in the destination buffer, and a header longer than the configured GSO segment size can underflow the payload-size calculation. A remote or guest-supplied packet processed with software GSO can trigger an out-of-bounds read or write.

CWE	CWE-787
Vendor	red hat
Product	fast datapath for rhel 10
Published	Oct 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Affected Versions

Red Hat / Fast Datapath for RHEL 10

All versions affected

Red Hat / Fast Datapath for RHEL 10

All versions affected

Red Hat / Fast Datapath for RHEL 10

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected