CVE-2026-23341
Received Received - Intake
Null Pointer Dereference in Linux amdxdna Driver Causes Crash

Publication date: 2026-03-25

Last updated on: 2026-04-23

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix crash when destroying a suspended hardware context If userspace issues an ioctl to destroy a hardware context that has already been automatically suspended, the driver may crash because the mailbox channel pointer is NULL for the suspended context. Fix this by checking the mailbox channel pointer in aie2_destroy_context() before accessing it.
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Meta Information
Published
2026-03-25
Last Modified
2026-04-23
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-23341
EUVD
EUVD-2026-15308
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 6.19.4 (inc) to 6.19.7 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

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.

Impact Analysis

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.

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