CVE-2021-47520 — can: pch_can: pch_can_rx_normal: fix use after free
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…
Published: 2024-05-24 · CVSS: 8.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7