UnratedFix available
tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation /dev/vtpmx is made visible before 'workqueue' is initialized, which can lead to a memory corruption in the worst case scenario. Address this by initializing 'workqueue' as the very first step of the driver initialization.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.322, 4.19.291, 5.10.188, 5.15.121, 5.4.251, 6.1.40, 6.4.5
- CVEs
- CVE-2023-54309
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 10:57 UTC · Revision 1
Source evidence
tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation
core-osv · Original sourcePublished 30 Dec 2025, 12:23 UTC
In the Linux kernel, the following vulnerability has been resolved: tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation /dev/vtpmx is made visible before 'workqueue' is initialized, which can lead to a memory corruption in the worst case scenario. Address this by initializing 'workqueue' as the very first step of the driver initialization.
osv:CVE-2023-54309
Kernel
Fixed versions: 4.14.322, 4.19.291, 5.4.251, 5.10.188, 5.15.121, 6.1.40, 6.4.5
Complete source record
{
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"url": "https://osv.dev/vulnerability/CVE-2023-54309",
"method": "structured",
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"title": "tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation",
"summary": "In the Linux kernel, the following vulnerability has been resolved: tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation /dev/vtpmx is made visible before 'workqueue' is initialized, which can lead to a memory corruption in the worst case scenario. Address this by initializing 'workqueue' as the very first step of the driver initialization.",
"evidence": "osv:CVE-2023-54309",
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"modified": "2026-10-28T02:30:50.531636099Z",
"provider": "osv",
"references": [
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"https://nvd.nist.gov/vuln/detail/CVE-2023-54309",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
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"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54309.json"
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"related_cves": [
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"evidence": "/id"
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"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 519064,
"published_at": "2025-12-30T12:23:41.834+00:00"
}