CVE-2023-3090 HIGH

CVE-2023-3090: Out-of-bounds write in Linux kernel's ipvlan network driver

Vendor Linux
Product Kernel
Weakness CWE-787
Published June 28, 2023
Last update March 5, 2025

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation. The out-of-bounds write is caused by missing skb->cb initialization in the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled. We recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e.

Key dates

02Disclosure timeline

June 28, 2023 CVE published
March 5, 2025 Record updated