{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-13T10:40:45.335","vulnerabilities":[{"cve":{"id":"CVE-2021-46922","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-02-27T10:15:07.053","lastModified":"2024-11-21T06:34:56.430","vulnStatus":"Modified","cveTags":[],"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()"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KEYS: de confianza: corrige la reserva de TPM para sellar/dessellar El parche original 8c657a0590de (\"KEYS: de confianza: reservar TPM para operaciones de sellar y dessellar\") era correcto en la lista de correo: https ://lore.kernel.org/linux-integrity/20210128235621.127925-4-jarkko@kernel.org/ Pero de alguna manera se modificó la base para que tpm_try_get_ops() en tpm2_seal_trusted() se perdiera. Esto provoca un desequilibrio en las operaciones de TPM y provoca fallos en el hardware basado en TIS. Esta solución devuelve el tpm_try_get_ops() perdido"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.20","versionEndExcluding":"5.10.33","matchCriteriaId":"678C39EB-D88C-48F4-A92A-6DCED8C4AAB3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11.3","versionEndExcluding":"5.11.17","matchCriteriaId":"958FE4FA-5C20-44BA-AED2-CC30933595C2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/39c8d760d44cb3fa0d67e8cd505df81cf4d80999","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9d5171eab462a63e2fbebfccf6026e92be018f20","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/bf84ef2dd2ccdcd8f2658476d34b51455f970ce4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/39c8d760d44cb3fa0d67e8cd505df81cf4d80999","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9d5171eab462a63e2fbebfccf6026e92be018f20","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/bf84ef2dd2ccdcd8f2658476d34b51455f970ce4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}