CVE-2026-46197
AMDKFD SVM ioctl buffer validation flaw
Publication date: 2026-05-28
Last updated on: 2026-05-28
Assigner: kernel.org
Description
Description
CVSS 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 within the drm/amdkfd component. It involves improper validation of the 'nattr' field in the SVM ioctl call, where the attribute count was not properly checked against the buffer size.
Because the 'nattr' field was not validated correctly, it could lead to out-of-bounds buffer access when user-controlled attribute counts are used, potentially allowing an attacker to read or write memory outside the intended buffer.
How can this vulnerability impact me? :
This vulnerability can lead to out-of-bounds memory access in the Linux kernel, which may cause system instability, crashes, or potentially allow an attacker to execute arbitrary code or escalate privileges by manipulating kernel memory.