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https://github.com/fkie-cad/nvd-json-data-feeds.git
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36 lines
2.3 KiB
JSON
36 lines
2.3 KiB
JSON
{
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"id": "CVE-2021-46940",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-02-27T19:04:05.927",
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"lastModified": "2024-02-28T14:06:45.783",
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"vulnStatus": "Awaiting Analysis",
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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\ntools/power turbostat: Fix offset overflow issue in index converting\n\nThe idx_to_offset() function returns type int (32-bit signed), but\nMSR_PKG_ENERGY_STAT is u32 and would be interpreted as a negative number.\nThe end result is that it hits the if (offset < 0) check in update_msr_sum()\nwhich prevents the timer callback from updating the stat in the background when\nlong durations are used. The similar issue exists in offset_to_idx() and\nupdate_msr_sum(). Fix this issue by converting the 'int' to 'off_t' accordingly."
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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: herramientas/turbostat de potencia: soluciona el problema de desbordamiento de compensaci\u00f3n en la conversi\u00f3n de \u00edndice. La funci\u00f3n idx_to_offset() devuelve el tipo int (32 bits firmado), pero MSR_PKG_ENERGY_STAT es u32 y se interpretar\u00eda como negativo. n\u00famero. El resultado final es que alcanza la verificaci\u00f3n if (offset < 0) en update_msr_sum(), lo que evita que la devoluci\u00f3n de llamada del temporizador actualice la estad\u00edstica en segundo plano cuando se utilizan duraciones prolongadas. Existe un problema similar en offset_to_idx() y update_msr_sum(). Solucione este problema convirtiendo 'int' a 'off_t' en consecuencia."
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/13a779de4175df602366d129e41782ad7168cef0",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/337b1546cde87fb8588ddaedf0201b769baa572a",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/dbdf22fc825fdb1d97f23230064e0f9819471628",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/ea6803ff2cd1a2d7d880256bf562172b708a76ff",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |