CVE-2026-46241
In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak. This issue was flagged by Sashiko when reviewing a controller deregistration fix.
Affected versions
Linux kernel versions
2.6.33
and later are affected. Fixed in
6.12.90,
6.18.32,
7.0.9,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-46241 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/336d9ad7560b3baba17af06727a888040ee93390
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PatchKernel patch commithttps://git.kernel.org/stable/c/5c77f11b9b5f1ad5a704dad875260c44016ede10
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PatchKernel patch commithttps://git.kernel.org/stable/c/8b49b6aadd0c622ca7d68b4a53ae10362e221cf3
Frequently asked questions
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What is CVE-2026-46241?
CVE-2026-46241 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.33 onward and has been patched in 6.12.90, 6.18.32, 7.0.9 and others. CVE-2026-46241 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-2026-46241?
Yes — CVE-2026-46241 has been patched. Fixed versions include 6.12.90, 6.18.32, 7.0.9 and others. If you are running Linux kernel 2.6.33 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46241 actively exploited?
No — CVE-2026-46241 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.