CVE-2026-46204
AMDGPU VCN4 Out-of-Bounds Read in IB Parsing
Publication date: 2026-05-28
Last updated on: 2026-05-28
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux_kernel | linux_kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.