CVE-2021-47670

Katalog CVE

CVSS 8.8 · High EPSS 0,22%

Kerentanan Use After Free pada linux kernel. Skor CVSS 3.1 8.8 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: fix use after free bugs After calling peak_usb_netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the peak_usb_netif_rx_ni(). Reordering the lines solves the issue.

Rincian

Terbit di NVD

17 April 2025

Terakhir diubah

4 Agustus 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,22% peluang dieksploitasi; lebih tinggi dari 12,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/50aca891d7a554db0901b245167cd653d73aaa71 patch
• https://git.kernel.org/stable/c/5408824636fa0dfedb9ecb0d94abd573131bfbbe patch
• https://git.kernel.org/stable/c/ddd1416f44130377798c1430b76503513b7497c2 patch
• https://git.kernel.org/stable/c/ec939c13c3fff2114479769c8380b7f1a54feca9 patch