CVE-2022-50229

Katalog CVE

CVSS 7.8 · High EPSS 0,24%

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: ALSA: bcd2000: Fix a UAF bug on the error path of probing When the driver fails in snd_card_register() at probe time, it will free the 'bcd2k->midi_out_urb' before killing it, which may cause a UAF bug. The following log can reveal it: [ 50.727020] BUG: KASAN: use-after-free in bcd2000_input_complete+0x1f1/0x2e0 [snd_bcd2000] [ 50.727623] Read of size 8 at addr ffff88810fab0e88 by task swapper/4/0 [ 50.729530] Call Trace: [ 50.732899] bcd2000_input_complete+0x1f1/0x2e0 [snd_bcd2000] Fix this by adding usb_kill_urb() before usb_free_urb().

Rincian

Terbit di NVD

18 Juni 2025

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

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)

0,24% peluang dieksploitasi; lebih tinggi dari 14,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/05e0bb8c3c4dde3e21b9c1cf9395afb04e8b24db patch
• https://git.kernel.org/stable/c/1d6a246cf97c380f2da76591f03019dd9c9599c3 patch
• https://git.kernel.org/stable/c/348620464a5c127399ac09b266f494f393661952 patch
• https://git.kernel.org/stable/c/4fc41f7ebb7efca282f1740ea934d16f33c1d109 patch
• https://git.kernel.org/stable/c/5e7338f4dd92b2f8915a82abfa1dd3ad3464bea0 patch
• https://git.kernel.org/stable/c/64ca7f50ad96c2c65ae390b954925a36eabe04aa patch
• https://git.kernel.org/stable/c/a718eba7e458e2f40531be3c6b6a0028ca7fcace patch
• https://git.kernel.org/stable/c/b0d4af0a4763ddc02344789ef2a281c494bc330d patch
• https://git.kernel.org/stable/c/ffb2759df7efbc00187bfd9d1072434a13a54139 patch