CVE-2026-90297

Description

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.

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EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.11%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other 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 https://git.kernel.org/stable/c/aaf812960fb5ade24be7a1d8fea27a1ffc458c30 https://git.kernel.org/stable/c/c0d3219ffd4c0d42295e0dc949856067b7818b71 https://git.kernel.org/stable/c/e216d6168f25a69e5ae5b981ee73b3a860a46441

Frequently Asked Questions

What is 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 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.

How do I check if I'm vulnerable to CVE-2026-90297? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.