CVE-2026-53254 Bluetooth: RFCOMM: validate skb length in MCC handlers

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: validate skb length in MCC handlers The RFCOMM MCC handlers cast skb-data to protocol-specific structs without validating skb-len first. A malicious remote device can send truncated MCC frames and trigger...

CVE-2026-53254

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: validate skb length in MCC handlers The RFCOMM MCC handlers cast skb-data to protocol-specific structs without validating skb-len first. A malicious remote device can send truncated MCC frames and trigger...

CVE-2026-53254

The CVE-2026-53254 issue affects the Linux kernel Bluetooth RFCOMM MCC handlers, which cast skb data to protocol-specific structs without validating skb->len. A malicious remote device could send truncated MCC frames, causing out-of-bounds reads. The fix is to validate and access required data...