CVE-2026-80974
In the Linux kernel, the following vulnerability has been resolved: mfd: sm501: Fix potential memory leaks during remove The memory allocated for struct sm501_devdata in sm501_pci_probe() and sm501_plat_probe() is not freed by the corresponding remove functions sm501_pci_remove() and sm501_plat_remove(). Fix that by adding a call to kfree().
Affected versions
Linux kernel versions
2.6.21
and later are affected. Fixed in
6.12.109,
6.18.50,
7.2.4,
7.3-rc1
and their respective stable series.
References
4 totalFrequently asked questions
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What is CVE-2026-80974?
CVE-2026-80974 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.21 onward and has been patched in 6.12.109, 6.18.50, 7.2.4 and others. CVE-2026-80974 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-2026-80974?
Yes. CVE-2026-80974 has been patched. Fixed versions include 6.12.109, 6.18.50, 7.2.4 and others. If you are running Linux kernel 2.6.21 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-80974 actively exploited?
No. CVE-2026-80974 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.