PT-2026-79686 · Linux · Linux Kernel
CVE-2026-74681
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Published
2026-08-22
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Updated
2026-08-27
None
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Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue exists in the
usbio bulk msg() function where the ibuf len (bulk IN receive buffer size) is incorrectly compared against txbuf len (bulk OUT endpoint size) during an EMSGSIZE check. Because these values are retrieved from different endpoints in usbio probe(), the check fails when the endpoint sizes differ.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Linux Kernel