umber-kernel/drivers/gpu/drm/exynos
Jeongjun Park 4949e32387 drm/exynos: vidi: fix to avoid directly dereferencing user pointer
commit d4c98c077c7fb2dfdece7d605e694b5ea2665085 upstream.

In vidi_connection_ioctl(), vidi->edid(user pointer) is directly
dereferenced in the kernel.

This allows arbitrary kernel memory access from the user space, so instead
of directly accessing the user pointer in the kernel, we should modify it
to copy edid to kernel memory using copy_from_user() and use it.

Cc: <stable@vger.kernel.org>
Signed-off-by: Jeongjun Park <aha310510@gmail.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-26 14:59:47 -08:00
..
Kconfig
Makefile
exynos7_drm_decon.c drm/exynos: exynos7_drm_decon: remove ctx->suspended 2025-09-15 20:19:21 +09:00
exynos5433_drm_decon.c
exynos_dp.c
exynos_drm_crtc.c
exynos_drm_crtc.h
exynos_drm_dma.c
exynos_drm_dpi.c
exynos_drm_drv.c
exynos_drm_drv.h drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl() 2026-02-26 14:59:46 -08:00
exynos_drm_dsi.c drm/exynos: dsi: add support for exynos7870 2025-09-15 20:19:23 +09:00
exynos_drm_fb.c
exynos_drm_fb.h
exynos_drm_fbdev.c
exynos_drm_fbdev.h
exynos_drm_fimc.c
exynos_drm_fimd.c
exynos_drm_g2d.c
exynos_drm_g2d.h
exynos_drm_gem.c
exynos_drm_gem.h
exynos_drm_gsc.c
exynos_drm_ipp.c
exynos_drm_ipp.h
exynos_drm_mic.c
exynos_drm_plane.c
exynos_drm_plane.h
exynos_drm_rotator.c
exynos_drm_scaler.c
exynos_drm_vidi.c drm/exynos: vidi: fix to avoid directly dereferencing user pointer 2026-02-26 14:59:47 -08:00
exynos_drm_vidi.h
exynos_hdmi.c
exynos_mixer.c
regs-decon7.h
regs-decon5433.h
regs-fimc.h
regs-gsc.h
regs-hdmi.h
regs-mixer.h
regs-rotator.h
regs-scaler.h
regs-vp.h