CVE-2026-90297: vulnerability in Linux
drm/sun4i: crtc: Propagate layer initialization error
Published
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 90% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Linux · LinuxRelated CVEs — Linux
In the same product, most dangerous first.
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References
https://git.kernel.org/stable/c/1882112124a642de7571fbf354fa1929decbb3efhttps://git.kernel.org/stable/c/2bb3169788f8296c8fc1e0d4fa6f1c6367cd5829https://git.kernel.org/stable/c/65bc02fec98e4e1d7d59d86cf2ddf8fd73dacb89https://git.kernel.org/stable/c/7061ff05ed4a3cf16e83f7e3ad09cbd212508a32https://git.kernel.org/stable/c/8f32af44d43332c02198752e596df00659bf4354https://git.kernel.org/stable/c/aaf812960fb5ade24be7a1d8fea27a1ffc458c30https://git.kernel.org/stable/c/c0d3219ffd4c0d42295e0dc949856067b7818b71https://git.kernel.org/stable/c/e216d6168f25a69e5ae5b981ee73b3a860a46441