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Vulnerability record · CVE-2026-45996 · published 27 May 2026

CVE-2026-45996: Linux kernel use after free vulnerability

Linux · Linux Kernel

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.

7.8 CVSS 3.1 High EPSS 0.17% · top 94.2% CWE-416 · Use after free
7.8CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
19 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-45996), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.