Bug 2507163 (CVE-2026-64505)

Summary: CVE-2026-64505 kernel: usb: gadget: function: rndis: add length check for header
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in the Linux kernel's USB RNDIS gadget function. A missing length check for the RNDIS header in the `rndis_rm_hdr` function could allow an attacker to read data beyond the intended buffer. This out-of-bounds read vulnerability could lead to information disclosure or potentially a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-07-25 10:08:23 UTC
In the Linux kernel, the following vulnerability has been resolved:

usb: gadget: function: rndis: add length check for header

Add a length check for the rndis header in rndis_rm_hdr, to ensure that
MessageType, MessageLength, DataOffset, and DataLength fields are
present before they are accessed.