CVE-2026-43444
Analyzed Analyzed - Analysis Complete
AMDKFD Memory Leak in Linux Kernel

Publication date: 2026-05-08

Last updated on: 2026-05-21

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Unreserve bo if queue update failed Error handling path should unreserve bo then return failed. (cherry picked from commit c24afed7de9ecce341825d8ab55a43a254348b33)
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Meta Information
Published
2026-05-08
Last Modified
2026-05-21
Generated
2026-06-19
AI Q&A
2026-05-08
EPSS Evaluated
2026-06-18
NVD
CVE-2026-43444
EUVD
EUVD-2026-28750
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.12 (inc) to 6.12.78 (exc)
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel From 6.13 (inc) to 6.18.19 (exc)
linux linux_kernel From 6.19 (inc) to 6.19.9 (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 is related to the Linux kernel's Direct Rendering Manager (DRM) component, specifically the amdkfd driver. The issue involves improper error handling where a buffer object (bo) was not unreserved if a queue update failed. The fix ensures that the buffer object is properly unreserved before returning a failure status.

Impact Analysis

If the buffer object is not unreserved properly when a queue update fails, it could lead to resource leaks or improper resource management within the kernel. This might cause system instability, degraded performance, or unexpected behavior in applications relying on the affected driver.

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