CVE-2026-46198 HIGH

CVE-2026-46198: batman-adv: fix integer overflow on buff_pos

Vendor Linux
Product Linux
Published May 28, 2026
Last update June 14, 2026

CVSS base score

8.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix integer overflow on buff_pos Fixing an integer overflow present in batadv_iv_ogm_send_to_if. The size check is done using the int type in batadv_iv_ogm_aggr_packet whereas the buff_pos variable uses the s16 type. This could lead to an out-of-bound read.

Key dates

02Disclosure timeline

May 28, 2026 CVE published
June 14, 2026 Record updated