{"id":"CVE-2023-54309","summary":"tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation","details":"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.","modified":"2026-04-02T09:46:50.192100Z","published":"2025-12-30T12:23:41.834Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0278-1","SUSE-SU-2026:0281-1","SUSE-SU-2026:0293-1","SUSE-SU-2026:0315-1","SUSE-SU-2026:0316-1","SUSE-SU-2026:0317-1","SUSE-SU-2026:0411-1","SUSE-SU-2026:0617-1","SUSE-SU-2026:20477-1","SUSE-SU-2026:20498-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54309.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/04e8697d26613ccea760cf57eb20a5a27f788c0f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51"},{"type":"WEB","url":"https://git.kernel.org/stable/c/509d21f1c4bb9d35d397fca3226165b156a7639f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/86b9820395f226b8f33cbae9599deebf8af1ce72"},{"type":"WEB","url":"https://git.kernel.org/stable/c/99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e08295290c53a3cf174c236721747a01b9550ae2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f4032d615f90970d6c3ac1d9c0bce3351eb4445c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54309.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54309"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6f99612e250041a2402d3b1694bccb149cd424a4"},{"fixed":"509d21f1c4bb9d35d397fca3226165b156a7639f"},{"fixed":"04e8697d26613ccea760cf57eb20a5a27f788c0f"},{"fixed":"86b9820395f226b8f33cbae9599deebf8af1ce72"},{"fixed":"9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815b"},{"fixed":"e08295290c53a3cf174c236721747a01b9550ae2"},{"fixed":"99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604"},{"fixed":"092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51"},{"fixed":"f4032d615f90970d6c3ac1d9c0bce3351eb4445c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54309.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.8.0"},{"fixed":"4.14.322"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.291"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.251"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.188"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.121"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.4.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54309.json"}}],"schema_version":"1.7.5"}