What’s Vulnerable › Vulnerabilities

CVE-2026-45996: spi: imx: fix use-after-free on unbind

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-19
• Weakness: CWE-416

Description

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 products

• Linux kernel: from 5.19 before 6.6.140; from 6.7 before 6.12.86; from 6.13 before 6.18.27; from 6.19 before 7.0.4 — fixed in 6.12.86, 6.18.27, 6.6.140, 7.0.4

How to fix

Upgrade to a fixed version: Linux kernel 6.12.86, 6.18.27, 6.6.140, 7.0.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/132e47030b0b5e398e0da6c59df5a5dae9b52cff
• https://git.kernel.org/stable/c/1c78c2002380a1fe31bfb01a3d5f29809e55a096
• https://git.kernel.org/stable/c/385a330083f8dd47c15b02e9a83aef9234a37003
• https://git.kernel.org/stable/c/aa9025a498036b6012769f7af36d421385386c17
• https://git.kernel.org/stable/c/c7c40c3e7b9fb900504aa746de3e53c5275b24bd
• https://git.kernel.org/stable/c/f99165ef067723221472ce1aff632bc74f562643

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