Vulnerability Details
Basic Information
| Title | CVE-2021-47670 can: peak_usb: fix use after free bugs |
|---|---|
| Type | vulnrichment |
| Published | 2025-04-17T18:01:30 |
| Last Seen | 2025-04-17T19:22:37 |
| CVSS Score | 0.0 () |
CVSS v3 Details
| Attack Vector | |
|---|---|
| Attack Complexity | |
| Privileges Required | |
| User Interaction | |
| Scope | |
| Confidentiality Impact | |
| Integrity Impact | |
| Availability Impact |
CVE Information
| CVE IDs | CVE-2021-47670 |
|---|---|
| CWE | |
| Bulletin Family | cve |
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.
Impact Assessment
| Base Score | 0.0 |
|---|---|
| Severity |