CVE-2026-53203 HIGH

CVE-2026-53203: accel/ivpu: Add buffer overflow check in MS get_info_ioctl

Vendor Linux
Product Linux
Published June 25, 2026
Last update June 30, 2026

CVSS base score

7.1/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Add buffer overflow check in MS get_info_ioctl Add validation that the info size returned from the metric stream info query is not exceeded when checked against the allocated buffer size. If the firmware returns a size larger than the buffer, reject the operation with -EOVERFLOW instead of proceeding with an incorrect buffer copy.

Key dates

02Disclosure timeline

June 25, 2026 CVE published
June 30, 2026 Record updated