CVE-2026-46199
AMDGPU VCN4 Out-of-Bounds Read in Linux Kernel
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 | 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, specifically in the drm/amdgpu/vcn4 component. It involves out-of-bounds (OOB) reads when parsing decode messages (dec msg). The issue arises because the code did not properly check bounds against the end of the buffer object (BO) when accessing the message, which could lead to reading memory beyond the intended limits.
How can this vulnerability impact me? :
An out-of-bounds read vulnerability can potentially lead to information disclosure or cause system instability. By reading memory beyond the intended buffer, an attacker might access sensitive data or cause unexpected behavior in the system, which could be exploited depending on the context and privileges.