CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.
CVE
CVE-2021-47520
Severity
HIGH
CVSS
7.8
EPSS
0.24%
Linux
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: can: pch_can: pch_can_rx_normal: fix use after free After calling netif_receive_skb(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is dereferenced just after the call netif_receive_skb(skb). Reordering the lines solves the issue.
Related CVEs
Other vulnerabilities affecting the same vendor(s)