{"id":"CVE-2026-98731","state":"PUBLISHED","title":"Bluetooth: btintel_pcie: fix plen overflow in btintel_pcie_recv_frame()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: fix plen overflow in btintel_pcie_recv_frame()\n\nplen is u16 and computed as HDR_SIZE + dlen. For ACL/ISO frames dlen\nis a 16-bit field, so a value >= 0xFFFC wraps the sum, bypassing the\n\"skb->len < plen\" check and letting skb_trim() truncate the packet.\n\nWiden plen to u32 so the addition cannot wrap.","publishedAt":"2026-10-18T15:47:08.399Z","updatedAt":"2026-10-19T09:24:41.766Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","status":"affected","lessThan":"c3a3842c109ac130c6db3aa0014cc8cd344928ad","versionType":"git"},{"version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","status":"affected","lessThan":"c3b5e6da4ba6485bffda9753d8339c28855207aa","versionType":"git"},{"version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","status":"affected","lessThan":"b2cb5ea1dc8cf829816370fc1399e6a1d2d1bca9","versionType":"git"},{"version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","status":"affected","lessThan":"7dbeb6935ac331b0cba6c41cabd8e9d02d5f64ea","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/c3a3842c109ac130c6db3aa0014cc8cd344928ad","https://git.kernel.org/stable/c/c3b5e6da4ba6485bffda9753d8339c28855207aa","https://git.kernel.org/stable/c/b2cb5ea1dc8cf829816370fc1399e6a1d2d1bca9","https://git.kernel.org/stable/c/7dbeb6935ac331b0cba6c41cabd8e9d02d5f64ea"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98731.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98731","state":"PUBLISHED","datePublished":"2026-10-18T15:47:08.399Z","dateUpdated":"2026-10-19T09:24:41.766Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.367Z"},"containers":{"cna":{"title":"Bluetooth: btintel_pcie: fix plen overflow in btintel_pcie_recv_frame()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: fix plen overflow in btintel_pcie_recv_frame()\n\nplen is u16 and computed as HDR_SIZE + dlen. For ACL/ISO frames dlen\nis a 16-bit field, so a value >= 0xFFFC wraps the sum, bypassing the\n\"skb->len < plen\" check and letting skb_trim() truncate the packet.\n\nWiden plen to u32 so the addition cannot wrap."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","status":"affected","lessThan":"c3a3842c109ac130c6db3aa0014cc8cd344928ad","versionType":"git"},{"version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","status":"affected","lessThan":"c3b5e6da4ba6485bffda9753d8339c28855207aa","versionType":"git"},{"version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","status":"affected","lessThan":"b2cb5ea1dc8cf829816370fc1399e6a1d2d1bca9","versionType":"git"},{"version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","status":"affected","lessThan":"7dbeb6935ac331b0cba6c41cabd8e9d02d5f64ea","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/c3a3842c109ac130c6db3aa0014cc8cd344928ad"},{"url":"https://git.kernel.org/stable/c/c3b5e6da4ba6485bffda9753d8339c28855207aa"},{"url":"https://git.kernel.org/stable/c/b2cb5ea1dc8cf829816370fc1399e6a1d2d1bca9"},{"url":"https://git.kernel.org/stable/c/7dbeb6935ac331b0cba6c41cabd8e9d02d5f64ea"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:24:41.766Z"},"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"}}}}}