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CVE-2026-92477

scsi: ufs: debugfs: Reserve space for a string terminator

N/A
Published: September 17, 2026 at 04:09 PM UTC
Updated: October 19, 2026 at 09:19 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
5.167340faae947400907e5e7581444712110d2811d5
Vendor states this is fixed in 2b3fb5693c25c21741f357a8c9d0e1f19b7e368f (fixed)
Vendor states this is fixed in 587be18e0935632ebd367b0f89e37aa5762e400f (fixed)
Vendor states this is fixed in abd26e6b53c4169122d61fdd4cabe09bdd916aac (fixed)
Vendor states this is fixed in b43890843e834300f967c69e74c7c2eb22cb1664 (fixed)
Vendor states this is fixed in cc92af8cc0e4dacd4375d34475141b0f1a70c09e (fixed)
Vendor states this is fixed in d223989e1a1edad217b673486b093bd157fb6c9a (fixed)
Vendor states this is fixed in 5.16 (unaffected)
Vendor states this is fixed in 6.1.188 (unaffected)
Vendor states this is fixed in 6.12.110 (unaffected)
Vendor states this is fixed in 6.18.52 (unaffected)
Vendor states this is fixed in 6.6.157 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

Source: cverecord
https://git.kernel.org/stable/c/b43890843e834300f967c69e74c7c2eb22cb1664
Source: cverecord
https://git.kernel.org/stable/c/587be18e0935632ebd367b0f89e37aa5762e400f
Source: cverecord
https://git.kernel.org/stable/c/d223989e1a1edad217b673486b093bd157fb6c9a
Source: cverecord
https://git.kernel.org/stable/c/cc92af8cc0e4dacd4375d34475141b0f1a70c09e
Source: cverecord
https://git.kernel.org/stable/c/2b3fb5693c25c21741f357a8c9d0e1f19b7e368f
Source: cverecord
https://git.kernel.org/stable/c/abd26e6b53c4169122d61fdd4cabe09bdd916aac

Quick Info

StatusRECEIVED

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