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Vulnerability record · CVE-2026-43370 · published 8 May 2026

CVE-2026-43370: Linux kernel use after free vulnerability

Linux · Linux Kernel

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)

7.8 CVSS 3.1 High EPSS 0.13% · top 98.0% CWE-416 · Use after free
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/2c1030f2e84885cc58bffef6af67d5b9d2e7098f Patch
https://git.kernel.org/stable/c/46d309996bd9251792d7dafdbaf615cf202b4447 Patch
https://git.kernel.org/stable/c/7885eb335d8f9e9942925d57e300a85e3f82ded4 Patch
https://git.kernel.org/stable/c/904025fa8bba1d028adade33346372b4ac1a9249 Patch
https://git.kernel.org/stable/c/94b7782d0c8024f5b88454241c8d4777076c3786 Patch
https://git.kernel.org/stable/c/ae87aea330c24f462fc7058ed543ba8bc6798447 Patch
https://git.kernel.org/stable/c/c658c1c85ec235b7ecfbf8dbfee385b1332088f4 Patch
https://git.kernel.org/stable/c/e61e355cbe49e585097eee28c15b862bfb1c0668 Patch

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Source: NIST National Vulnerability Database (record CVE-2026-43370), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.