CVEvulnerability
CVE-2026-98730
- Status
- Received
- Published
- 2026-10-18
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Description
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: btintel_pcie: reject oversized TX packets in send_frame()
btintel_pcie_send_frame() eventually copies skb->data into a fixed
BTINTEL_PCIE_BUFFER_SIZE (4096) DMA buffer via memcpy() in
btintel_pcie_prepare_tx(), with a 4-byte PCIe type header prepended.
A user-space process with HCI_CHANNEL_USER access can inject an
oversized packet and overflow the buffer.
Reject packets larger than
BTINTEL_PCIE_BUFFER_SIZE - BTINTEL_PCIE_HCI_TYPE_LEN on entry.
References
- https://git.kernel.org/stable/c/3d6ba6be9bef13edcd4ad74f7cfdd0c34db4d2bc git.kernel.org
- https://git.kernel.org/stable/c/84df222de86eabed543361025ed54ce838c0b573 git.kernel.org
- https://git.kernel.org/stable/c/9806a748f9ab223b733624367b6ddda77fb9450e git.kernel.org
- https://git.kernel.org/stable/c/f771f96557a4d953a7e4d045870547271e36e819 git.kernel.org