CVE-2026-46039 CRITICAL

CVE-2026-46039: rxgk: Fix potential integer overflow in length check

Vendor Linux
Product Linux
Published May 27, 2026
Last update June 14, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/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: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgk_extract_token() when checking the length of the ticket. Rather than rounding up the value to be tested (which might overflow), round down the size of the available data.

Key dates

02Disclosure timeline

May 27, 2026 CVE published
June 14, 2026 Record updated