70faf9d9b6
commit cc67482c9e5f2c80d62f623bcc347c29f9f648e1 upstream. Several types of UAFs can occur when physically removing a USB device. Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and in this function, there is kref_put() that finally calls ufx_free(). This fix prevents multiple UAFs. Signed-off-by: Hyunwoo Kim <imv4bel@gmail.com> Link: https://lore.kernel.org/linux-fbdev/20221011153436.GA4446@ubuntu/ Cc: <stable@vger.kernel.org> Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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backlight | ||
console | ||
fbdev | ||
logo | ||
display_timing.c | ||
hdmi.c | ||
Kconfig | ||
Makefile | ||
of_display_timing.c | ||
of_videomode.c | ||
vgastate.c | ||
videomode.c |