CVE-2026-23280 HIGH

CVE-2026-23280: accel/amdxdna: Prevent ubuf size overflow

Vendor Linux
Product Linux
Published March 25, 2026
Last update May 11, 2026

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

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Prevent ubuf size overflow The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption. Use check_add_overflow() helpers to validate the size calculation before allocation.

Key dates

02Disclosure timeline

March 25, 2026 CVE published
May 11, 2026 Record updated