{"id":"CVE-2026-98730","title":"Bluetooth: btintel_pcie: reject oversized TX packets in send_frame()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: reject oversized TX packets in send_frame()\n\nbtintel_pcie_send_frame() eventually copies skb->data into a fixed\nBTINTEL_PCIE_BUFFER_SIZE (4096)…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 6e65a09f927566f257322358d429b267548473eb < 3d6ba6be9bef13edcd4ad74f7cfdd0c34db4d2bc","Linux >= 6e65a09f927566f257322358d429b267548473eb < 84df222de86eabed543361025ed54ce838c0b573","Linux >= 6e65a09f927566f257322358d429b267548473eb < 9806a748f9ab223b733624367b6ddda77fb9450e","Linux >= 6e65a09f927566f257322358d429b267548473eb < f771f96557a4d953a7e4d045870547271e36e819","Linux 6.10"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:47:07.600Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98730","references":[{"url":"https://git.kernel.org/stable/c/3d6ba6be9bef13edcd4ad74f7cfdd0c34db4d2bc"},{"url":"https://git.kernel.org/stable/c/84df222de86eabed543361025ed54ce838c0b573"},{"url":"https://git.kernel.org/stable/c/9806a748f9ab223b733624367b6ddda77fb9450e"},{"url":"https://git.kernel.org/stable/c/f771f96557a4d953a7e4d045870547271e36e819"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T16:47:32.506Z","slug":"CVE-2026-98730","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: reject oversized TX packets in send_frame()\n\nbtintel_pcie_send_frame() eventually copies skb->data into a fixed\nBTINTEL_PCIE_BUFFER_SIZE (4096) DMA buffer via memcpy() in\nbtintel_pcie_prepare_tx(), with a 4-byte PCIe type header prepended.\nA user-space process with HCI_CHANNEL_USER access can inject an\noversized packet and overflow the buffer.\n\nReject packets larger than\nBTINTEL_PCIE_BUFFER_SIZE - BTINTEL_PCIE_HCI_TYPE_LEN on entry.\n\n## Affected\n\n- `Linux >= 6e65a09f927566f257322358d429b267548473eb < 3d6ba6be9bef13edcd4ad74f7cfdd0c34db4d2bc`\n- `Linux >= 6e65a09f927566f257322358d429b267548473eb < 84df222de86eabed543361025ed54ce838c0b573`\n- `Linux >= 6e65a09f927566f257322358d429b267548473eb < 9806a748f9ab223b733624367b6ddda77fb9450e`\n- `Linux >= 6e65a09f927566f257322358d429b267548473eb < f771f96557a4d953a7e4d045870547271e36e819`\n- `Linux 6.10`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}