UNKNOWN NVD
CVE-2026-90297
In the Linux kernel, the following vulnerability has been resolved: drm/sun4i: crtc: Propagate layer initialization error sun4i_crtc_init() returns plain NULL
In the Linux kernel, the following vulnerability has been resolved:
drm/sun4i: crtc: Propagate layer initialization error
sun4i_crtc_init() returns plain NULL when layer initialization fails,
while all its other error paths return an error pointer. The only
caller, sun4i_tcon_bind(), checks the result with IS_ERR() and happily
continues with tcon->crtc set to NULL. sun4i_rgb_init() and
sun4i_lvds_init() then dereference it in drm_crtc_mask(), which
oopses.
Return the error pointer instead.
References
- https://git.kernel.org/stable/c/1882112124a642de7571fbf354fa1929decbb3ef
- https://git.kernel.org/stable/c/2bb3169788f8296c8fc1e0d4fa6f1c6367cd5829
- https://git.kernel.org/stable/c/65bc02fec98e4e1d7d59d86cf2ddf8fd73dacb89
- https://git.kernel.org/stable/c/7061ff05ed4a3cf16e83f7e3ad09cbd212508a32
- https://git.kernel.org/stable/c/8f32af44d43332c02198752e596df00659bf4354
This unknown severity vulnerability was published on 2026-09-17 via NVD.
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