CVE-2026-92477
In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: debugfs: Reserve space for a string terminator ufs_saved_err_write() copies user input into a zero-initialized stack buffer and passes it to kstrtoint(). A write that fills the entire buffer overwrites its only terminator. Reject an input whose length leaves no room for the trailing NUL.
Affected versions
Linux kernel versions
5.16
and later are affected. Fixed in
6.1.188,
6.6.157,
6.12.110,
6.18.52,
7.2.6,
7.3-rc1
and their respective stable series.
References
6 totalFrequently asked questions
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What is CVE-2026-92477?
CVE-2026-92477 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.16 onward and has been patched in 6.1.188, 6.6.157, 6.12.110 and others. CVE-2026-92477 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-2026-92477?
Yes. CVE-2026-92477 has been patched. Fixed versions include 6.1.188, 6.6.157, 6.12.110 and others. If you are running Linux kernel 5.16 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-92477 actively exploited?
No. CVE-2026-92477 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.