עברית

Vulnerability Intelligence

CVE-2021-47670

High 8.8

Published
Last modified
NVD status
Modified

Description

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.

Affected products

linux: linux kernel

References4

Metrics

CVSS 3.1
8.8 HIGH Score source: CNA CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
0% percentile: 13 · as of 7 November 2026
CWE
CWE-416

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