{"id":"CVE-2026-98730","summary":"Bluetooth: btintel_pcie: reject oversized TX packets in send_frame()","details":"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-\u003edata 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.","modified":"2026-10-19T02:46:05.812870516Z","published":"2026-10-18T15:47:07.600Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98730.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d6ba6be9bef13edcd4ad74f7cfdd0c34db4d2bc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/84df222de86eabed543361025ed54ce838c0b573"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9806a748f9ab223b733624367b6ddda77fb9450e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f771f96557a4d953a7e4d045870547271e36e819"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98730.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98730"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6e65a09f927566f257322358d429b267548473eb"},{"fixed":"3d6ba6be9bef13edcd4ad74f7cfdd0c34db4d2bc"},{"fixed":"84df222de86eabed543361025ed54ce838c0b573"},{"fixed":"9806a748f9ab223b733624367b6ddda77fb9450e"},{"fixed":"f771f96557a4d953a7e4d045870547271e36e819"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98730.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.10.0"},{"fixed":"6.12.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.56"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98730.json"}}],"schema_version":"1.9.0"}