On Jul 14 14:58, Christian Franke wrote: > From 344a329a5706de125b3ef11dc7324101b08b3c67 Mon Sep 17 00:00:00 2001 > From: Christian Franke <[email protected]> > Date: Mon, 14 Jul 2025 14:44:01 +0200 > Subject: [PATCH] Cygwin: doc: warn about unprivileged access to raw devices > > Raw devices of partitions may be accessible from unprivileged > processes, for example if connected via USB. > > Signed-off-by: Christian Franke <[email protected]> > --- > winsup/doc/specialnames.xml | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/winsup/doc/specialnames.xml b/winsup/doc/specialnames.xml > index a1f9d3f5e..02375e737 100644 > --- a/winsup/doc/specialnames.xml > +++ b/winsup/doc/specialnames.xml > @@ -368,7 +368,15 @@ handle the information. <emphasis > role='bold'>Writing</emphasis> to a raw > mass storage device you should only do if you > <emphasis role='bold'>really</emphasis> know what you're doing and are aware > of the fact that any mistake can destroy important information, for the > -device, and for you. So, please, handle this ability with care. > +device, and for you. So, please, handle this ability with care.</para> > + > +<para><emphasis role='bold'>Important:</emphasis> Windows may allow raw read > +<emphasis role='bold'>and write</emphasis> access to partitions (for example > +<filename>/dev/sda2</filename>) even from unprivileged processes. This is > +usually the case for partitions on "removable" drives like USB flash drives > +or regular SATA/NVMe drives behind USB docking stations. If > +<command>chkdsk X:</command> works, raw access to the same partition is > +possible from the same user account. > <emphasis role='bold'>You have been warned.</emphasis></para></note> > > <para> > -- > 2.45.1 >
Pushed.... oh, right, you have push perms, sigh :} Thanks, Corinna
