CVE-2026-46204
Analyzed Analyzed - Analysis Complete
AMDGPU VCN4 Out-of-Bounds Read in IB Parsing

Publication date: 2026-05-28

Last updated on: 2026-06-10

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB Rewrite the IB parsing to use amdgpu_ib_get_value() which handles the bounds checks.
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Meta Information
Published
2026-05-28
Last Modified
2026-06-10
Generated
2026-06-17
AI Q&A
2026-05-28
EPSS Evaluated
2026-06-16
NVD
CVE-2026-46204
EUVD
EUVD-2026-32831
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.13 (inc) to 6.18.32 (exc)
linux linux_kernel From 6.7 (inc) to 6.12.90 (exc)
linux linux_kernel From 6.19 (inc) to 7.0.9 (exc)
linux linux_kernel From 6.0 (inc) to 6.6.140 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability exists in the Linux kernel within the drm/amdgpu/vcn4 component. It involves out-of-bounds (OOB) reads when parsing the IB (Indirect Buffer). The issue was resolved by rewriting the IB parsing code to use the function amdgpu_ib_get_value(), which properly handles bounds checking to prevent these OOB reads.

Impact Analysis

Out-of-bounds reads can lead to unintended information disclosure or system instability. In this case, the vulnerability could allow an attacker to read memory outside the intended buffer, potentially exposing sensitive data or causing crashes in the Linux kernel's AMD GPU driver.

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