441 lines
20 KiB
JSON
441 lines
20 KiB
JSON
{
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"cveId": "CVE-2025-39681",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-04-16T07:20:57.113Z",
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"datePublished": "2025-09-05T17:20:47.564Z",
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"dateUpdated": "2026-11-10T12:36:45.681Z"
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},
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T21:34:11.780Z"
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},
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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\nx86/cpu/hygon: Add missing resctrl_cpu_detect() in bsp_init helper\n\nSince\n\n 923f3a2b48bd (\"x86/resctrl: Query LLC monitoring properties once during boot\")\n\nresctrl_cpu_detect() has been moved from common CPU initialization code to\nthe vendor-specific BSP init helper, while Hygon didn't put that call in their\ncode.\n\nThis triggers a division by zero fault during early booting stage on our\nmachines with X86_FEATURE_CQM* supported, where get_rdt_mon_resources() tries\nto calculate mon_l3_config with uninitialized boot_cpu_data.x86_cache_occ_scale.\n\nAdd the missing resctrl_cpu_detect() in the Hygon BSP init helper.\n\n [ bp: Massage commit message. ]"
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}
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"version": "6.17",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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"title": "x86/cpu/hygon: Add missing resctrl_cpu_detect() in bsp_init helper",
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
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