On Tue, 13 Oct 2020 19:18:48 +0200 Kleber Sacilotto de Souza wrote: > From: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx> > > When dccps_hc_tx_ccid is freed, ccid timers may still trigger. The reason > del_timer_sync can't be used is because this relies on keeping a reference > to struct sock. But as we keep a pointer to dccps_hc_tx_ccid and free that > during disconnect, the timer should really belong to struct dccp_sock. > > This addresses CVE-2020-16119. > > Fixes: 839a6094140a (net: dccp: Convert timers to use timer_setup()) Presumably you chose this commit because the fix won't apply beyond it? But it really fixes 2677d2067731 (dccp: don't free.. right? > Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx> > Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@xxxxxxxxxxxxx>
