CVE-2022-50746

Katalog CVE

CVSS 8.4 · High EPSS 0,21%

Skor CVSS 3.1 8.4 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - m_pa == 0 as a non-inlined pcluster; - The logical length is longer than its physical length. The first issue has already been addressed. This patch addresses the second issue by checking the extent length validity.

Rincian

Terbit di NVD

24 Desember 2025

Terakhir diubah

4 Agustus 2026

Status NVD

Deferred

CVSS 3.1

8.4 (High), sumber CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

EPSS (30 hari)

0,21% peluang dieksploitasi; lebih tinggi dari 10,7% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/40c73b2ea9611b5388807be406f30f5e4e1162da
• https://git.kernel.org/stable/c/c505feba4c0d76084e56ec498ce819f02a7043ae
• https://git.kernel.org/stable/c/dc8b6bd587b13b85aff6e9d36cdfcd3f955cac9e