2023-11-07 21:03:21 +00:00

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{
"id": "CVE-2020-27171",
"sourceIdentifier": "cve@mitre.org",
"published": "2021-03-20T22:15:12.000",
"lastModified": "2023-11-07T03:20:50.370",
"vulnStatus": "Modified",
"descriptions": [
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"lang": "en",
"value": "An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error (with a resultant integer underflow) affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-10d2bb2e6b1d."
},
{
"lang": "es",
"value": "Se detect\u00f3 un problema en el kernel de Linux versiones anteriores a 5.11.8. El archivo kernel/bpf/verifier.c presenta un error por un paso (con un subdesbordamiento de enteros resultante) afectando la especulaci\u00f3n fuera de l\u00edmites en la aritm\u00e9tica de punteros, conllevando a ataques de canal lateral que anulan las mitigaciones de Spectre y consiguen informaci\u00f3n confidencial de la memoria del kernel , tambi\u00e9n se conoce como CID-10d2bb2e6b1d"
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"attackComplexity": "LOW",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
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"integrityImpact": "NONE",
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"baseScore": 6.0,
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