{"id":"CVE-2026-98296","state":"PUBLISHED","title":"Bluetooth: btintel_pcie: validate TX skb length in send_sync","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: validate TX skb length in send_sync\n\nbtintel_pcie_prepare_tx() copies skb->len bytes into a fixed\nBTINTEL_PCIE_BUFFER_SIZE (4096) DMA slot via an unchecked memcpy.\nOversized packets are currently rejected only in\nbtintel_pcie_send_frame(); any future caller of\nbtintel_pcie_send_sync() would silently overflow the DMA buffer.\n\nAdd the bounds check in btintel_pcie_send_sync() itself, right\nbefore skb_push() and the DMA copy.","publishedAt":"2026-10-06T08:45:55.034Z","updatedAt":"2026-10-19T09:17:07.243Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"84f353256e170dc4865d45007d1bc446ed566da7","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"c298a61e18029401486c40298a50fbeea7e7b663","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"4b837ebd0ea21ae5cc26f02dc042edc6fe7b46b9","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":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","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/84f353256e170dc4865d45007d1bc446ed566da7","https://git.kernel.org/stable/c/c298a61e18029401486c40298a50fbeea7e7b663","https://git.kernel.org/stable/c/4b837ebd0ea21ae5cc26f02dc042edc6fe7b46b9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98296.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98296","state":"PUBLISHED","datePublished":"2026-10-06T08:45:55.034Z","dateUpdated":"2026-10-19T09:17:07.243Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.337Z"},"containers":{"cna":{"title":"Bluetooth: btintel_pcie: validate TX skb length in send_sync","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: validate TX skb length in send_sync\n\nbtintel_pcie_prepare_tx() copies skb->len bytes into a fixed\nBTINTEL_PCIE_BUFFER_SIZE (4096) DMA slot via an unchecked memcpy.\nOversized packets are currently rejected only in\nbtintel_pcie_send_frame(); any future caller of\nbtintel_pcie_send_sync() would silently overflow the DMA buffer.\n\nAdd the bounds check in btintel_pcie_send_sync() itself, right\nbefore skb_push() and the DMA copy."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"84f353256e170dc4865d45007d1bc446ed566da7","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"c298a61e18029401486c40298a50fbeea7e7b663","versionType":"git"},{"version":"6e65a09f927566f257322358d429b267548473eb","status":"affected","lessThan":"4b837ebd0ea21ae5cc26f02dc042edc6fe7b46b9","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":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","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/84f353256e170dc4865d45007d1bc446ed566da7"},{"url":"https://git.kernel.org/stable/c/c298a61e18029401486c40298a50fbeea7e7b663"},{"url":"https://git.kernel.org/stable/c/4b837ebd0ea21ae5cc26f02dc042edc6fe7b46b9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:17:07.243Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}