CVE-2026-43370
drm/amdgpu: Fix use-after-free race in VM acquire
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix use-after-free race in VM acquire Replace non-atomic vm->process_info assignment with cmpxchg() to prevent race when parent/child processes sharing a drm_file both try to acquire the same VM after fork(). (cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618)
INFO
Published Date :
May 8, 2026, 3:16 p.m.
Last Modified :
May 8, 2026, 3:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Apply the patch to fix the VM acquire race condition.
- Replace non-atomic assignment with cmpxchg for VM process info.
- Ensure atomic operations for shared VM acquires after fork.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-43370.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-43370 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-43370
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-43370 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-43370 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 08, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix use-after-free race in VM acquire Replace non-atomic vm->process_info assignment with cmpxchg() to prevent race when parent/child processes sharing a drm_file both try to acquire the same VM after fork(). (cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618) Added Reference https://git.kernel.org/stable/c/2c1030f2e84885cc58bffef6af67d5b9d2e7098f Added Reference https://git.kernel.org/stable/c/46d309996bd9251792d7dafdbaf615cf202b4447 Added Reference https://git.kernel.org/stable/c/7885eb335d8f9e9942925d57e300a85e3f82ded4 Added Reference https://git.kernel.org/stable/c/904025fa8bba1d028adade33346372b4ac1a9249 Added Reference https://git.kernel.org/stable/c/94b7782d0c8024f5b88454241c8d4777076c3786 Added Reference https://git.kernel.org/stable/c/ae87aea330c24f462fc7058ed543ba8bc6798447 Added Reference https://git.kernel.org/stable/c/c658c1c85ec235b7ecfbf8dbfee385b1332088f4 Added Reference https://git.kernel.org/stable/c/e61e355cbe49e585097eee28c15b862bfb1c0668