{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54309", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:44.530Z", "datePublished": "2025-12-30T12:23:41.834Z", "dateUpdated": "2026-05-11T19:59:28.525Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:59:28.525Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation\n\n/dev/vtpmx is made visible before 'workqueue' is initialized, which can\nlead to a memory corruption in the worst case scenario.\n\nAddress this by initializing 'workqueue' as the very first step of the\ndriver initialization."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/char/tpm/tpm_vtpm_proxy.c"], "versions": [{"version": "6f99612e250041a2402d3b1694bccb149cd424a4", "lessThan": "509d21f1c4bb9d35d397fca3226165b156a7639f", "status": "affected", "versionType": "git"}, {"version": "6f99612e250041a2402d3b1694bccb149cd424a4", "lessThan": "04e8697d26613ccea760cf57eb20a5a27f788c0f", "status": "affected", "versionType": "git"}, {"version": "6f99612e250041a2402d3b1694bccb149cd424a4", "lessThan": "86b9820395f226b8f33cbae9599deebf8af1ce72", "status": "affected", "versionType": "git"}, {"version": "6f99612e250041a2402d3b1694bccb149cd424a4", "lessThan": "9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815b", "status": "affected", "versionType": "git"}, {"version": "6f99612e250041a2402d3b1694bccb149cd424a4", "lessThan": "e08295290c53a3cf174c236721747a01b9550ae2", "status": "affected", "versionType": "git"}, {"version": "6f99612e250041a2402d3b1694bccb149cd424a4", "lessThan": 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"5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.188", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.121", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.40", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.5", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "4.14.322"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "4.19.291"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.4.251"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.10.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.15.121"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.1.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.4.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/509d21f1c4bb9d35d397fca3226165b156a7639f"}, {"url": "https://git.kernel.org/stable/c/04e8697d26613ccea760cf57eb20a5a27f788c0f"}, {"url": "https://git.kernel.org/stable/c/86b9820395f226b8f33cbae9599deebf8af1ce72"}, {"url": "https://git.kernel.org/stable/c/9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815b"}, {"url": "https://git.kernel.org/stable/c/e08295290c53a3cf174c236721747a01b9550ae2"}, {"url": "https://git.kernel.org/stable/c/99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604"}, {"url": "https://git.kernel.org/stable/c/092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51"}, {"url": "https://git.kernel.org/stable/c/f4032d615f90970d6c3ac1d9c0bce3351eb4445c"}], "title": "tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation\n\n/dev/vtpmx is made visible before 'workqueue' is initialized, which can\nlead to a memory corruption in the worst case scenario.\n\nAddress this by initializing 'workqueue' as the very first step of the\ndriver initialization."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ntpm: tpm_vtpm_proxy: corregir una condici\u00f3n de carrera en la creaci\u00f3n de /dev/vtpmx\n\n/dev/vtpmx se hace visible antes de que 'workqueue' sea inicializada, lo que puede llevar a una corrupci\u00f3n de memoria en el peor de los casos.\n\nAbordar esto al inicializar 'workqueue' como el primer paso de la inicializaci\u00f3n del controlador."}], "id": "CVE-2023-54309", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-30T13:16:20.083", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/04e8697d26613ccea760cf57eb20a5a27f788c0f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/509d21f1c4bb9d35d397fca3226165b156a7639f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/86b9820395f226b8f33cbae9599deebf8af1ce72"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e08295290c53a3cf174c236721747a01b9550ae2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f4032d615f90970d6c3ac1d9c0bce3351eb4445c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation", "id": "2426198", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426198"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-54309", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-54309\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-54309\nhttps://lore.kernel.org/linux-cve-announce/2025123035-CVE-2023-54309-4435@gregkh/T"], "threat_severity": "Low"}

{}