HighFix available
drm/amdgpu: Fix use-after-free race in VM acquire
Type: advisorySources: OSV
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)
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.253, 5.15.203, 6.1.167, 6.12.78, 6.18.19, 6.19.9, 6.6.130
- CVEs
- CVE-2026-43370
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 11:23 UTC · Revision 1
Source evidence
drm/amdgpu: Fix use-after-free race in VM acquire
core-osv · Original sourcePublished 8 May 2026, 14:21 UTC
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)
osv:CVE-2026-43370
Kernel
Fixed versions: 5.10.253, 5.15.203, 6.1.167, 6.6.130, 6.12.78, 6.18.19, 6.19.9
Complete source record
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"url": "https://osv.dev/vulnerability/CVE-2026-43370",
"method": "structured",
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"title": "drm/amdgpu: Fix use-after-free race in VM acquire",
"summary": "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)",
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"modified": "2026-10-28T02:30:34.544130798Z",
"provider": "osv",
"references": [
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"https://nvd.nist.gov/vuln/detail/CVE-2026-43370",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"provider_metadata": {
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},
"related_cves": [
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
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"source_id": "core-osv",
"document_id": 502004,
"published_at": "2026-05-08T14:21:21.926+00:00"
}