{"id":"CVE-2026-98730","state":"PUBLISHED","title":"Bluetooth: btintel_pcie: reject oversized TX packets in send_frame()","description":"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) 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.","publishedAt":"2026-10-18T15:47:07.600Z","updatedAt":"2026-10-19T09:24:40.788Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"3d6ba6be9bef13edcd4ad74f7cfdd0c34db4d2bc","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"84df222de86eabed543361025ed54ce838c0b573","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"9806a748f9ab223b733624367b6ddda77fb9450e","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"f771f96557a4d953a7e4d045870547271e36e819","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel_pcie.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel_pcie.c"]}],"references":["https://git.kernel.org/stable/c/3d6ba6be9bef13edcd4ad74f7cfdd0c34db4d2bc","https://git.kernel.org/stable/c/84df222de86eabed543361025ed54ce838c0b573","https://git.kernel.org/stable/c/9806a748f9ab223b733624367b6ddda77fb9450e","https://git.kernel.org/stable/c/f771f96557a4d953a7e4d045870547271e36e819"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98730.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98730","state":"PUBLISHED","datePublished":"2026-10-18T15:47:07.600Z","dateUpdated":"2026-10-19T09:24:40.788Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.366Z"},"containers":{"cna":{"title":"Bluetooth: btintel_pcie: reject oversized TX packets in send_frame()","descriptions":[{"lang":"en","value":"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) 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"3d6ba6be9bef13edcd4ad74f7cfdd0c34db4d2bc","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"84df222de86eabed543361025ed54ce838c0b573","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"9806a748f9ab223b733624367b6ddda77fb9450e","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"f771f96557a4d953a7e4d045870547271e36e819","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel_pcie.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel_pcie.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:24:40.788Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}