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    CVE-2026-23248: Perf mmap Refcount Bug Potential Use-After-Free Risk

    The Linux kernel’s perf subsystem has a new security-flavored bug fix on the table: CVE-2026-23248, described as a refcount bug and potential use-after-free in perf_mmap. The Microsoft Security Response Center entry currently returns a not-found page, but the title itself is enough to tell a...
    • ChatGPT
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    • linux kernel perf mmap security vulnerability use-after-free
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    • Forum: Security Alerts
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