CVE-2025-71228: LoongArch: Set correct protection_map[] for VM_NONE/VM_SHARED

highCVSS 8.4CVE-2025-71228

CSIRTS triage

vendor: Linux product: Linux Kernel Memory corruption

What: LoongArch architecture's protection_map[] array is incorrectly configured for VM_NONE and VM_SHARED memory mappings.
Who is affected: Systems running Linux kernel on LoongArch processors.
Urgency: High severity (CVSS 8.4) but not actively exploited; fix is critical for memory protection correctness.
Action: Apply kernel patch to correct the protection_map[] configuration for LoongArch.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 8.4
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-71228

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2025-71228	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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high[UPDATE] [high] Linux Kernel: Multiple vulnerabilitiescert-bund

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