---
id: CVE-2026-74627
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  net: devmem: prevent net-iov / page mixing

  We should either have net_iov or page backed frags in a single skb,
  otherwise it blows up down the stack
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  net: devmem: prevent net-iov / page mixing

  We should either have net_iov or page backed frags in a single skb,
  otherwise it blows up down the stack. Don't allow mixing…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
published: '2026-08-22'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T13:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-74627'
references:
  - url: 'https://git.kernel.org/stable/c/53a43508ee332d8bffe40590c3d189c92a551f9f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/e9bfe12b1d04c34c6fedcba21d9709b65c08aa33'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/ed08011ae0be88f16cceae190535d6c790c83b0c'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00173
epssPercentile: 0.06278
ingestedAt: '2026-10-14T13:30:58.520Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

net: devmem: prevent net-iov / page mixing

We should either have net_iov or page backed frags in a single skb,
otherwise it blows up down the stack. Don't allow mixing in
zerocopy_fill_skb_from_devmem().

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.