{
    "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": "99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
                            "lessThan": "092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
                            "lessThan": "f4032d615f90970d6c3ac1d9c0bce3351eb4445c",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/char/tpm/tpm_vtpm_proxy.c"
                    ],
                    "versions": [
                        {
                            "version": "4.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.322",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.291",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.251",
                            "lessThanOrEqual": "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"
                                },
                                {
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                                    "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"
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        }
    }
}