CVE-2026-23341
Null Pointer Dereference in Linux amdxdna Driver Causes Crash
Publication date: 2026-03-25
Last updated on: 2026-04-23
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 | From 6.19.4 (inc) to 6.19.7 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Linux kernel's amdxdna accelerator driver. It occurs when userspace attempts to destroy a hardware context that has already been automatically suspended. In this situation, the driver may crash because it tries to access a mailbox channel pointer that is NULL for the suspended context. The issue is fixed by adding a check for the mailbox channel pointer before accessing it during the destruction of the context.
How can this vulnerability impact me? :
The vulnerability can cause the Linux kernel driver to crash when destroying a suspended hardware context. This crash could lead to system instability or a denial of service condition, potentially disrupting normal operations on affected systems.