usb: cdc-acm: Check control transfer buffer size before access

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2025-21704 · Microsoft / collected KEV context

cve-program · CVE-2025-21704

• https://git.kernel.org/stable/c/a4e1ae5c0533964170197e4fb4f33bc8c1db5cd2
• https://git.kernel.org/stable/c/90dd2f1b7342b9a671a5ea4160f408037b92b118
• https://git.kernel.org/stable/c/871619c2b78fdfe05afb4e8ba548678687beb812
• https://git.kernel.org/stable/c/7828e9363ac4d23b02419bf2a45b9f1d9fb35646
• https://git.kernel.org/stable/c/6abb510251e75f875797d8983a830e6731fa281c
• https://git.kernel.org/stable/c/f64079bef6a8a7823358c3f352ea29a617844636
• https://git.kernel.org/stable/c/383d516a0ebc8641372b521c8cb717f0f1834831
• https://git.kernel.org/stable/c/e563b01208f4d1f609bcab13333b6c0e24ce6a01
• https://project-zero.issues.chromium.org/issues/395107243

No related operational record is retained in the current change model.