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CVE-2026-46204

kernel: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · May 28, 2026

Updated · September 29, 2026

Description

A flaw was found in the Linux kernel's AMD GPU (Graphics Processing Unit) driver, specifically within the drm/amdgpu/vcn4 component. This vulnerability allows for an out-of-bounds read when processing an Instruction Buffer (IB). An attacker could potentially exploit this to read sensitive information from memory or cause system instability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-125 · Out-of-bounds Read