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Change History

In the Linux kernel, the following vulnerability has been resolved:

RDMA/rxe: Flush delayed SKBs while releasing RXE resources

When skb packets are sent out, these skb packets still depends on
the rxe resources, for example, QP, sk, when these packets are
destroyed.

If these rxe resources are released when the skb packets are destroyed,
the call traces will appear.

To avoid skb packets hang too long time in some network devices,
a timestamp is added when these skb packets are created. If these
skb packets hang too long time in network devices, these network
devices can free these skb packets to release rxe resources.

https://git.kernel.org/stable/c/3c3e9a9f2972b364e8c2cfbfdeb23c6d6be4f87f

https://git.kernel.org/stable/c/732d4bd7b78a2752ad43cc39287ef41893c5eee2

https://git.kernel.org/stable/c/8ead139a8edef485cc36d3a792e2ae5dd538339a