ghsa-g9mf-qvgg-vwxr
Vulnerability from github
Published
2024-02-27 12:31
Modified
2024-04-10 18:30
Severity ?
Details
In the Linux kernel, the following vulnerability has been resolved:
KEYS: trusted: Fix TPM reservation for seal/unseal
The original patch 8c657a0590de ("KEYS: trusted: Reserve TPM for seal and unseal operations") was correct on the mailing list:
https://lore.kernel.org/linux-integrity/20210128235621.127925-4-jarkko@kernel.org/
But somehow got rebased so that the tpm_try_get_ops() in tpm2_seal_trusted() got lost. This causes an imbalanced put of the TPM ops and causes oopses on TIS based hardware.
This fix puts back the lost tpm_try_get_ops()
{ "affected": [], "aliases": [ "CVE-2021-46922" ], "database_specific": { "cwe_ids": [], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2024-02-27T10:15:07Z", "severity": "MODERATE" }, "details": "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()", "id": "GHSA-g9mf-qvgg-vwxr", "modified": "2024-04-10T18:30:46Z", "published": "2024-02-27T12:31:09Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46922" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/39c8d760d44cb3fa0d67e8cd505df81cf4d80999" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/9d5171eab462a63e2fbebfccf6026e92be018f20" }, { "type": "WEB", "url": "https://git.kernel.org/stable/c/bf84ef2dd2ccdcd8f2658476d34b51455f970ce4" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
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Sightings
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Nomenclature
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