CVE-2026-89597

Published: September 15, 2026Last modified: September 15, 2026

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: uvesafb: unregister connector callback on init failure uvesafb_init() registers the v86d connector callback before registering the platform driver. If platform_driver_register() fails, the function returns the error directly and leaves the connector callback registered. The later platform-device failure path already unregisters the callback. Add the same cleanup before the final return when platform-driver registration fails. This issue was identified during our ongoing static-analysis research while reviewing kernel code.

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References

• https://git.kernel.org/stable/c/466a8af0dee2cf745307155e26884e19a37b7e15
• https://git.kernel.org/stable/c/9e768ae51426af2034d479133cfd73010d641b1a
• https://git.kernel.org/stable/c/9f8a822b44c42502f105cf6574f4867067eecdd0
• https://git.kernel.org/stable/c/de8db23aa7c337e606fca9faf48b3ba72968597a