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CVE-2026-63861

UnknownEPSS 0.16%

Last modified

CVE-2026-63861 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: spi: mtk-snfi: unregister ECC engine on probe failure and remove() callback mtk_snand_probe() registers the on-host NAND ECC engine, but teardown was missing from both probe unwind and remove-time cleanup. Add a devm cleanup action after successful registration so nand_ecc_unregister_on_host_hw_engine() runs automatically on probe failures and during device removal.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: spi: mtk-snfi: unregister ECC engine on probe failure and remove() callback mtk_snand_probe() registers the on-host NAND ECC engine, but teardown was missing from both probe unwind and remove-time cleanup. Add a devm cleanup action after successful registration so nand_ecc_unregister_on_host_hw_engine() runs automatically on probe failures and during device removal.

Metrics

EPSS Probability
0.16%

5.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 764f1b7481645b2b4488eda26c4da7f331697e6b, < 6aea4a99410615912d80a4ba0827c4e8d4a8312d; >= 764f1b7481645b2b4488eda26c4da7f331697e6b, < 3e79a563377a319d016ed0d3cd8c43171670c0f3; >= 764f1b7481645b2b4488eda26c4da7f331697e6b, < 86357e1d0157d8408b78f8768a69ab263d010316; >= 764f1b7481645b2b4488eda26c4da7f331697e6b, < e0b049bd7b279d7b6ad22a637cddced93198a51b; >= 764f1b7481645b2b4488eda26c4da7f331697e6b, < 98cf4b58299e0c6a537c68cd32155d9e7569e7cb; >= 764f1b7481645b2b4488eda26c4da7f331697e6b, < ab00febad191d7a4400aa1c3468279fb508258d4
LinuxLinux5.19

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-63861?
In the Linux kernel, the following vulnerability has been resolved: spi: mtk-snfi: unregister ECC engine on probe failure and remove() callback mtk_snand_probe() registers the on-host NAND ECC engine, but teardown was missing from both probe unwind and remove-time cleanup. Add a devm cleanup action after successful registration so nand_ecc_unregister_on_host_hw_engine() runs automatically on probe failures and during device removal.
How severe is CVE-2026-63861?
Severity scoring for CVE-2026-63861 is pending analysis. The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2026-63861?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST