CVE-2026-45996
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 versions
Linux kernel versions
5.19
and later are affected. Fixed in
6.6.140,
6.12.86,
6.18.27,
7.0.4,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-45996 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/132e47030b0b5e398e0da6c59df5a5dae9b52cff
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PatchKernel patch commithttps://git.kernel.org/stable/c/1c78c2002380a1fe31bfb01a3d5f29809e55a096
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PatchKernel patch commithttps://git.kernel.org/stable/c/385a330083f8dd47c15b02e9a83aef9234a37003
Frequently asked questions
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What is CVE-2026-45996?
CVE-2026-45996 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.19 onward and has been patched in 6.6.140, 6.12.86, 6.18.27 and others. CVE-2026-45996 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-45996?
Yes — CVE-2026-45996 has been patched. Fixed versions include 6.6.140, 6.12.86, 6.18.27 and others. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-45996 actively exploited?
No — CVE-2026-45996 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.