CVE-2026-46016
Analyzed Analyzed - Analysis Complete
Remoteproc NULL Pointer Dereference in Linux Kernel

Publication date: 2026-05-27

Last updated on: 2026-06-16

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: remoteproc: xlnx: Only access buffer information if IPI is buffered In the receive callback check if message is NULL to prevent possibility of crash by NULL pointer dereferencing.
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Meta Information
Published
2026-05-27
Last Modified
2026-06-16
Generated
2026-06-16
AI Q&A
2026-05-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-46016
EUVD
EUVD-2026-32397
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.7 (inc) to 6.12.86 (exc)
linux linux_kernel From 6.4 (inc) to 6.6.140 (exc)
linux linux_kernel From 6.13 (inc) to 6.18.27 (exc)
linux linux_kernel From 6.19 (inc) to 7.0.4 (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 component remoteproc for xlnx. It involves improper handling of buffer information and message pointers in the receive callback function.

Specifically, the vulnerability occurs because the code did not check if the message pointer was NULL before accessing it, which could lead to a crash due to NULL pointer dereferencing.

The fix ensures that buffer information is only accessed if the Inter-Processor Interrupt (IPI) is buffered and adds a check to verify that the message is not NULL before processing it.

Impact Analysis

This vulnerability can cause the Linux kernel to crash due to a NULL pointer dereference when processing certain messages in the remoteproc xlnx component.

Such a crash could lead to denial of service conditions, potentially disrupting system operations or causing instability in systems relying on this kernel component.

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