CVE-2026-74627

Updated on 22 Aug 2026

Severity

7.8 High severity

Details

CVSS score
7.8
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Overview

About vulnerability

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().

Details

Affected product:
Debian 10 ELS
Affected packages:
linux @ 4.19.0

Fixes