CVE-2022-50274

Katalog CVE

CVSS 7.8 · High EPSS 0,16%

Kerentanan Use After Free pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: adopts refcnt to avoid UAF dvb_unregister_device() is known that prone to use-after-free. That is, the cleanup from dvb_unregister_device() releases the dvb_device even if there are pointers stored in file->private_data still refer to it. This patch adds a reference counter into struct dvb_device and delays its deallocation until no pointer refers to the object.

Rincian

Terbit di NVD

15 September 2025

Terakhir diubah

4 Agustus 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,16% peluang dieksploitasi; lebih tinggi dari 5,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/0fc044b2b5e2d05a1fa1fb0d7f270367a7855d79 patch
• https://git.kernel.org/stable/c/219b44bf94203bd433aa91b7796475bf656348e5 patch
• https://git.kernel.org/stable/c/2abd73433872194bccdf1432a0980e4ec5273c2a patch
• https://git.kernel.org/stable/c/6d18b44bb44e1f4d97dfe0efe92ac0f0984739c2 patch
• https://git.kernel.org/stable/c/88a6f8a72d167294c0931c7874941bf37a41b6dd patch
• https://git.kernel.org/stable/c/9945d05d6693710574f354c5dbddc47f5101eb77 patch
• https://git.kernel.org/stable/c/a2f0a08aa613176c9688c81d7b598a7779974991 patch
• https://git.kernel.org/stable/c/ac521bbe3d00fa574e66a9361763f2b37725bc97 patch