CVE-2026-45996

Summary

In the Linux kernel, the following vulnerability has been resolved:

spi: imx: fix use-after-free on unbind

The SPI subsystem frees the controller and any subsystem allocated driver data as part of deregistration (unless the allocation is device managed).

Take another reference before deregistering the controller so that the driver data is not freed until the driver is done with it.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux307c897db762d1e0feee9477276b08f6deca4a5b < c7c40c3e7b9fb900504aa746de3e53c5275b24bdaffected
LinuxLinux307c897db762d1e0feee9477276b08f6deca4a5b < f99165ef067723221472ce1aff632bc74f562643affected
LinuxLinux307c897db762d1e0feee9477276b08f6deca4a5b < 385a330083f8dd47c15b02e9a83aef9234a37003affected
LinuxLinux307c897db762d1e0feee9477276b08f6deca4a5b < 132e47030b0b5e398e0da6c59df5a5dae9b52cffaffected
LinuxLinux307c897db762d1e0feee9477276b08f6deca4a5b < aa9025a498036b6012769f7af36d421385386c17affected
LinuxLinux307c897db762d1e0feee9477276b08f6deca4a5b < 1c78c2002380a1fe31bfb01a3d5f29809e55a096affected
LinuxLinux5.19affected
LinuxLinux0 < 5.19unaffected
LinuxLinux6.1.176 <= 6.1.*unaffected
LinuxLinux6.6.140 <= 6.6.*unaffected
LinuxLinux6.12.86 <= 6.12.*unaffected
LinuxLinux6.18.27 <= 6.18.*unaffected
LinuxLinux7.0.4 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References