Re: [PATCH 4.14] mac80211: fix memory corruption in EAPOL handling

On Sat, Jul 10, 2021 at 09:38:07PM +0300, Davis Mosenkovs wrote:

Commit 557bb37533a3 ("mac80211: do not accept/forward invalid EAPOL frames") uses skb_mac_header() before eth_type_trans() is called leading to incorrect pointer, the pointer gets written to. This issue has appeared during backporting to 4.4, 4.9 and 4.14.

Fixes: 557bb37533a3 ("mac80211: do not accept/forward invalid EAPOL frames") Link: https://lore.kernel.org/r/CAHQn7pKcyC_jYmGyTcPCdk9xxATwW5QPNph=bsZV8d-HPwNsy... Cc: stable@vger.kernel.org # 4.14.x Signed-off-by: Davis Mosenkovs davis@mosenkovs.lv

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net/mac80211/rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

Ah, see your other backports now, nice, all now is good.

greg k-h