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Change History

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

sfc: fix null pointer dereference in efx_hard_start_xmit

Trying to get the channel from the tx_queue variable here is wrong
because we can only be here if tx_queue is NULL, so we shouldn't
dereference it. As the above comment in the code says, this is very
unlikely to happen, but it's wrong anyway so let's fix it.

I hit this issue because of a different bug that caused tx_queue to be
NULL. If that happens, this is the error m

kernel.org https://git.kernel.org/stable/c/0a242eb2913a4aa3d6fbdb86559f27628e9466f3 [No types assigned]

kernel.org https://git.kernel.org/stable/c/8547c7bfc0617e7184e4da65b9b96681fcfe9998 [No types assigned]

kernel.org https://git.kernel.org/stable/c/b3b41d4d95d3822b2e459ecbc80d030ea6aec5e7 [No types assigned]

kernel.org https://git.kernel.org/stable/c/b3b952168ee1f220ba729fa100fd9d5aa752eb03 [No types assigned]