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103 lines
3.8 KiB
JSON
103 lines
3.8 KiB
JSON
{
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"id": "CVE-2021-46922",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-02-27T10:15:07.053",
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"lastModified": "2024-04-10T15:31:51.440",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"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()"
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},
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{
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"lang": "es",
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"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 modific\u00f3 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 soluci\u00f3n devuelve el tpm_try_get_ops() perdido"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "NVD-CWE-noinfo"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.10.20",
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"versionEndExcluding": "5.10.33",
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"matchCriteriaId": "678C39EB-D88C-48F4-A92A-6DCED8C4AAB3"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11.3",
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"versionEndExcluding": "5.11.17",
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"matchCriteriaId": "958FE4FA-5C20-44BA-AED2-CC30933595C2"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/39c8d760d44cb3fa0d67e8cd505df81cf4d80999",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/9d5171eab462a63e2fbebfccf6026e92be018f20",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/bf84ef2dd2ccdcd8f2658476d34b51455f970ce4",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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}
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]
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} |