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Cara ia berfungsi: Kecacatan ini adalah keadaan perlumbaan dalam pembantu kernel xfs reflink fill cow hole dan xfs reflink fill delalloc [8].

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AnswersPublished7 hours agoLast edited 6 hours ago22 sources

RefluXFS (CVE-2026-64600): Ancaman Eskalasi Keistimewaan dalam Kernel Linux

RefluXFS (CVE 2026 64600) ialah kelemahan eskalasi keistimewaan tempatan berimpak tinggi dalam sistem fail XFS kernel Linux, didedahkan oleh Qualys Threat Research Unit pada 22 Julai 2026 [4]. Kelemahan ini membenarkan pengguna tempatan tanpa keistimewaan mendapat akses root dengan mengeksploitasi keadaan perlumbaan...

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RefluXFS (CVE-2026-64600) ialah kelemahan eskalasi keistimewaan tempatan berimpak tinggi dalam sistem fail XFS kernel Linux, didedahkan oleh Qualys Threat Research Unit pada 22 Julai 2026 . Kelemahan ini membenarkan pengguna tempatan tanpa keistimewaan mendapat akses root dengan mengeksploitasi keadaan perlumbaan dalam laluan salin-semasa-tulis (CoW) XFS .

Cara Ia Berfungsi

Kecacatan ini adalah keadaan perlumbaan dalam pembantu kernel xfs_reflink_fill_cow_hole dan xfs_reflink_fill_delalloc . Fungsi-fungsi ini mengitar kunci inode XFS (ILOCK) untuk mendapatkan transaksi, yang menyebabkan kedua-dua pemetaan data fork dan CoW fork menjadi lapuk .

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RefluXFS (CVE-2026-64600): Ancaman Eskalasi Keistimewaan dalam Kernel Linux

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