{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-46922","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-25T13:45:52.719Z","datePublished":"2024-02-27T09:36:27.145Z","dateUpdated":"2025-05-04T07:00:24.893Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:00:24.893Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix TPM reservation for seal/unseal\n\nThe original patch 8c657a0590de (\"KEYS: trusted: Reserve TPM for seal\nand unseal operations\") was correct on the mailing list:\n\nhttps://lore.kernel.org/linux-integrity/20210128235621.127925-4-jarkko@kernel.org/\n\nBut somehow got rebased so that the tpm_try_get_ops() in\ntpm2_seal_trusted() got lost.  This causes an imbalanced put of the\nTPM ops and causes oopses on TIS based hardware.\n\nThis fix puts back the lost tpm_try_get_ops()"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/keys/trusted-keys/trusted_tpm2.c"],"versions":[{"version":"67118bb78d72aab5b831f054a74ae856339a1974","lessThan":"bf84ef2dd2ccdcd8f2658476d34b51455f970ce4","status":"affected","versionType":"git"},{"version":"498b8fc1cdc13b57b02dd28544b18323900fae10","lessThan":"39c8d760d44cb3fa0d67e8cd505df81cf4d80999","status":"affected","versionType":"git"},{"version":"8c657a0590de585b1115847c17b34a58025f2f4b","lessThan":"9d5171eab462a63e2fbebfccf6026e92be018f20","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/keys/trusted-keys/trusted_tpm2.c"],"versions":[{"version":"5.10.20","lessThan":"5.10.33","status":"affected","versionType":"semver"},{"version":"5.11.3","lessThan":"5.11.17","status":"affected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.20","versionEndExcluding":"5.10.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11.3","versionEndExcluding":"5.11.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/bf84ef2dd2ccdcd8f2658476d34b51455f970ce4"},{"url":"https://git.kernel.org/stable/c/39c8d760d44cb3fa0d67e8cd505df81cf4d80999"},{"url":"https://git.kernel.org/stable/c/9d5171eab462a63e2fbebfccf6026e92be018f20"}],"title":"KEYS: trusted: Fix TPM reservation for seal/unseal","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-25T16:00:18.491671Z","id":"CVE-2021-46922","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-07-25T16:00:29.336Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:17:42.976Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/bf84ef2dd2ccdcd8f2658476d34b51455f970ce4","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/39c8d760d44cb3fa0d67e8cd505df81cf4d80999","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9d5171eab462a63e2fbebfccf6026e92be018f20","tags":["x_transferred"]}]}]}}