mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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238 lines
7.2 KiB
JSON
238 lines
7.2 KiB
JSON
{
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"id": "CVE-2020-27171",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2021-03-20T22:15:12.000",
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"lastModified": "2022-07-30T03:46:34.410",
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"vulnStatus": "Analyzed",
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"descriptions": [
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{
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"lang": "en",
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"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."
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},
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{
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"lang": "es",
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"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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}
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"baseScore": 6.0,
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "PARTIAL",
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"baseScore": 3.6
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"references": [
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{
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"url": "http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html",
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"source": "cve@mitre.org",
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