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CVE-2021-47669

can: vxcan: vxcan_xmit: fix use after free bug

CVSS 7.8 HIGHEPSS 0.2%CWE-416
In the Linux kernel, the following vulnerability has been resolved: can: vxcan: vxcan_xmit: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the canfd_frame cfd which aliases skb memory is accessed after the netif_rx_ni().
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Linux · Linux

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Referências
https://git.kernel.org/stable/c/6d6dcf2399cdd26f7f5426ca8dd8366b7f2ca105https://git.kernel.org/stable/c/75854cad5d80976f6ea0f0431f8cedd3bcc475cbhttps://git.kernel.org/stable/c/9b820875a32a3443d67bfd368e93038354e98052https://git.kernel.org/stable/c/a24476b37167816e6352ca1a2cf3769847774f70https://git.kernel.org/stable/c/e771a874076115df8bff27d325edfd2340e4ec69