NULL pointer dereference in Linux kernel - CVE-2026-90297
Published: September 18, 2026
Vulnerability identifier: #VU151180
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90297
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper error handling in sun4i_crtc_init() when initializing display layers. A local user can trigger a layer initialization failure to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-90297
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
External 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