Re: [PATCH v2 0/2] fix out-of-bounds access when specifying invalid console

Greg Kroah-Hartman
2023-01-19T14:05:00Z

On Wed, Jan 04, 2023 at 08:20:49AM +0100, Sven Schnelle wrote:
> Sven Schnelle <svens@linux.ibm.com> writes:
>
> > Hi,
> >
> > these two patches fix a crash in the tty driver when a user specifies an
> > invalid console like 'console=tty3000'. The first patch adds a check to
> > tty_driver_lookup_tty(), the second one prevents that such a console gets
> > registered in the vt driver.
> >
> > Changes in v2:
> > - trim commit message in first patch
> > - add second patch as suggested by Jiri Slaby
> >
> > Sven Schnelle (2):
> > tty: fix out-of-bounds access in tty_driver_lookup_tty()
> > tty/vt: prevent registration of console with invalid number
> >
> > drivers/tty/tty_io.c | 8 +++++---
> > drivers/tty/vt/vt.c | 6 ++++++
> > 2 files changed, 11 insertions(+), 3 deletions(-)
>
> Gentle ping... I couldn't find that this was applied anywhere?

Sorry, still digging out of a lot of patches...