VDB
DEBIAN-CVE-2021-47668
DEBIAN-CVE-2021-47668
PUBLISHED
CVSS 7.800000190734863 HIGH
In the Linux kernel, the following vulnerability has been resolved: can: dev: can_restart: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the netif_rx_ni() in: stats->rx_bytes += cf->len; Reordering the lines solves the issue.
Risk Scores
CVSS v3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | linux | 0, 0, 0 |
| Debian:11 | linux | 0, 0, 0 |
| Debian:13 | linux | 0, 0, 0 |
| Debian:14 | linux | 0, 0, 0 |
Timeline
- Apr 17, 2025 CVE Published
- Apr 28, 2026 CVE Updated