On 11/27/2017 09:03 AM, Eric Biggers wrote: > Commit cb0631fd3cf9 ("x86/mm: fix use-after-free of vma during userfaultfd > fault") went into mainline without Cc: stable. It appears to be a It was a mainline 4.14-rcX regression fix so I didn't CC stable. I didn't notice that the commit a3c4fb7c9c2ebfd50b8c60f6c069932bb319bc37 that it Fixes did have CC: stable, so I guess my fix should have CC: stable too. Probably the stable scripts should have picked that anyway, except I also screwed copy/paste on the Fixes tag, omitting the first characted of SHA :( (Fixes: 3c4fb7c9c2e ("x86/mm: ....")) Thanks for noticing! > use-after-free reachable by unprivileged users -- at least with > CONFIG_USERFAULTFD=y. Can it please be applied to 4.9-stable? > > Eric >