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You are here: Home / News / Kerentanan Pada Kode Eksekusi Remote Ditambal Dalam Modul TIPC Kernel Linux

Kerentanan Pada Kode Eksekusi Remote Ditambal Dalam Modul TIPC Kernel Linux

November 7, 2021 by Søren

Pada hari Kamis, peneliti SentinelOne mengatakan bahwa CodeQL telah digunakan baru-baru ini dalam investigasi perburuan bug pada proyek open source.

CodeQL adalah mesin analisis kode semantik yang memungkinkan pengguna untuk menanyakan kode “seolah-olah itu data,” dan alat inilah yang memungkinkan tim untuk menemukan bug parah dalam proyek modul TIPC.

Menurut para peneliti, kerentanan heap overflow ditemukan yang dapat dieksploitasi baik secara lokal atau jarak jauh untuk mendapatkan hak tingkat kernel, “memungkinkan penyerang untuk tidak hanya mengkompromikan satu layanan tetapi seluruh sistem itu sendiri.”

Cacat keamanan berdampak pada kernel versi 5.10.

Saat ini tidak ada bukti penyalahgunaan dan perlu juga dicatat bahwa meskipun modul disertakan dengan distribusi utama, modul harus dimuat agar protokol dapat diaktifkan — jadi hanya build dengan fitur ini yang aktif yang dapat menjadi rentan untuk dieksploitasi.

SentinelOne melaporkan kelemahan tersebut kepada tim Kernel.org pada 19 Oktober. Sebuah patch diselesaikan oleh pengelola modul pada 21 Oktober dan dirilis di lore.kernel.org empat hari kemudian. Perbaikan sekarang juga telah ditambahkan ke repositori arus utama, dirilis pada 29 Oktober di bawah versi 5.15.

Selengkapnya: ZDNet

Tagged With: Bug Fixed, Linux, Security Patch

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