mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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29 lines
3.2 KiB
JSON
29 lines
3.2 KiB
JSON
{
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"id": "CVE-2025-21840",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-03-07T09:15:17.033",
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"lastModified": "2025-03-07T09:15:17.033",
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"vulnStatus": "Awaiting Analysis",
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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\nthermal/netlink: Prevent userspace segmentation fault by adjusting UAPI header\n\nThe intel-lpmd tool [1], which uses the THERMAL_GENL_ATTR_CPU_CAPABILITY\nattribute to receive HFI events from kernel space, encounters a\nsegmentation fault after commit 1773572863c4 (\"thermal: netlink: Add the\ncommands and the events for the thresholds\").\n\nThe issue arises because the THERMAL_GENL_ATTR_CPU_CAPABILITY raw value\nwas changed while intel_lpmd still uses the old value.\n\nAlthough intel_lpmd can be updated to check the THERMAL_GENL_VERSION and\nuse the appropriate THERMAL_GENL_ATTR_CPU_CAPABILITY value, the commit\nitself is questionable.\n\nThe commit introduced a new element in the middle of enum thermal_genl_attr,\nwhich affects many existing attributes and introduces potential risks\nand unnecessary maintenance burdens for userspace thermal netlink event\nusers.\n\nSolve the issue by moving the newly introduced\nTHERMAL_GENL_ATTR_TZ_PREV_TEMP attribute to the end of the\nenum thermal_genl_attr. This ensures that all existing thermal generic\nnetlink attributes remain unaffected.\n\n[ rjw: Subject edits ]"
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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: thermal/netlink: Prevenir un error de segmentaci\u00f3n del espacio de usuario ajustando el encabezado UAPI La herramienta intel-lpmd [1], que utiliza el atributo THERMAL_GENL_ATTR_CPU_CAPABILITY para recibir eventos HFI desde el espacio del kernel, encuentra un error de segmentaci\u00f3n despu\u00e9s de el commit 1773572863c4 (\"thermal: netlink: Agregar los comandos y los eventos para los umbrales\"). El problema surge porque se cambi\u00f3 el valor sin procesar de THERMAL_GENL_ATTR_CPU_CAPABILITY mientras que intel_lpmd todav\u00eda usa el valor anterior. Aunque intel_lpmd se puede actualizar para verificar THERMAL_GENL_VERSION y usar el valor THERMAL_GENL_ATTR_CPU_CAPABILITY apropiado, el commit en s\u00ed es cuestionable. El commit introdujo un nuevo elemento en el medio de la enumeraci\u00f3n thermal_genl_attr, que afecta a muchos atributos existentes e introduce riesgos potenciales y cargas de mantenimiento innecesarias para los usuarios del evento de enlace de red t\u00e9rmico del espacio de usuario. Resuelva el problema moviendo el atributo THERMAL_GENL_ATTR_TZ_PREV_TEMP recientemente introducido al final de la enumeraci\u00f3n thermal_genl_attr. Esto garantiza que todos los atributos de enlace de red gen\u00e9ricos t\u00e9rmicos existentes permanezcan inalterados. [ rjw: Ediciones del sujeto ]"
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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/3a4ca365c51729143a2cab693cd40fe0bb585ef0",
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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/c195b9c6ab9c383d7aa3f4a65879b3ca90cb378b",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |