{"id":"CVE-2022-2977","details":"A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. On a system where virtualized TPM devices are configured (this is not the default) a local attacker can create a use-after-free and create a situation where it may be possible to escalate privileges on the system.","modified":"2026-07-15T01:48:56.772668138Z","published":"2022-09-14T00:00:00Z","related":["SUSE-SU-2022:3264-1","SUSE-SU-2022:3265-1","SUSE-SU-2022:3274-1","SUSE-SU-2022:3282-1","SUSE-SU-2022:3288-1","SUSE-SU-2022:3291-1","SUSE-SU-2022:3293-1","SUSE-SU-2022:3408-1","SUSE-SU-2022:3422-1","SUSE-SU-2022:3450-1","SUSE-SU-2022:3609-1","SUSE-SU-2022:3809-1","SUSE-SU-2022:4617-1","SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1194-1","SUSE-SU-2025:1241-1","SUSE-SU-2025:1263-1","SUSE-SU-2025:1293-1"],"database_specific":{"cna_assigner":"redhat","cwe_ids":["CWE-416"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2977.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d8e7007dc7c4d7c8366739bbcd3f5e51dcd470f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2977.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-2977"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230214-0006/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git","events":[{"introduced":"4b0986a3613c92f4ec1bdc7f60ec66fea135991f"},{"last_affected":"4b0986a3613c92f4ec1bdc7f60ec66fea135991f"}],"database_specific":{"extracted_events":[{"introduced":"Linux kernel versions prior to 5.18"},{"last_affected":"Linux kernel versions prior to 5.18"}],"source":"AFFECTED_FIELD"}}],"versions":["Linux kernel versions prior to 5.18","v5.18"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-2977.json"}}],"schema_version":"1.7.5"}