p PatchFirst

CVE-2023-3812

CVE-2023-3812 · Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS 7.8 · High · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

Original sources

Check your server →