cve 2025 37936

About this tag
CVE-2025-37936 is a vulnerability in the Linux kernel's perf/x86/intel KVM code that can allow a guest to run with PEBS (Precise Event-Based Sampling) enabled without requesting it. Microsoft's advisory lists Azure Linux as potentially affected, but this is a conservative attestation and does not guarantee that other Microsoft products are not vulnerable. The flaw is relevant to users of Azure Linux and WSL, as it involves kernel-level security in virtualized environments. Discussions on WindowsForum focus on understanding the scope of the vulnerability and its implications for Microsoft products.

  1. Azure Linux and WSL at Risk: CVE-2025-37936 Kernel PEBS Bug

    Microsoft’s public advisory for CVE-2025-37936 correctly identifies a flaw in the Linux kernel’s perf/x86/intel KVM code that can allow a guest to be run with PEBS (Precise Event-Based Sampling) enabled when the guest itself did not request it — and Microsoft’s published inventory currently...
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    • Forum: Security Alerts