{"api_version":"1","generated_at":"2026-09-26T10:07:17+00:00","cve":"CVE-2026-97976","urls":{"html":"https://cve.report/CVE-2026-97976","api":"https://cve.report/api/cve/CVE-2026-97976.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-97976","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-97976"},"summary":{"title":"Bluetooth: btintel_pcie: validate packet_len before skb_put_data","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: validate packet_len before skb_put_data\n\nbtintel_pcie_submit_rx_work() reads packet_len from rfh_hdr without\nchecking if it exceeds the RX buffer size. An oversized packet_len\ncan lead to an out-of-bounds read in skb_put_data().\n\nValidate packet_len to ensure it is non-zero and does not exceed\nBTINTEL_PCIE_BUFFER_SIZE - sizeof(*rfh_hdr), logging an error when\ninvalid.\n\nThis issue was reported by Claude Mythos. It can be simulated either by\nusing customized firmware configured to return an invalid packet_len or\nby modifying rfh_hdr->packet_len in the driver before calling\nbtintel_pcie_submit_rx_work().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:25","updated_at":"2026-09-25 11:17:25"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/46884c0f92708f1d218fc94d88800227a19b52f8","name":"https://git.kernel.org/stable/c/46884c0f92708f1d218fc94d88800227a19b52f8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ab0159b1f7214ce9bad9862751e4553e635a21b1","name":"https://git.kernel.org/stable/c/ab0159b1f7214ce9bad9862751e4553e635a21b1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6436e1b5331b1aebf905c13e0880a37032719b75","name":"https://git.kernel.org/stable/c/6436e1b5331b1aebf905c13e0880a37032719b75","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/73a50c636425cb9f7ab647b5a97bd14dd5610076","name":"https://git.kernel.org/stable/c/73a50c636425cb9f7ab647b5a97bd14dd5610076","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97976","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97976","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c2b636b3f788d10486a6691ad6dd3ec4c93bd78e ab0159b1f7214ce9bad9862751e4553e635a21b1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c2b636b3f788d10486a6691ad6dd3ec4c93bd78e 73a50c636425cb9f7ab647b5a97bd14dd5610076 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c2b636b3f788d10486a6691ad6dd3ec4c93bd78e 46884c0f92708f1d218fc94d88800227a19b52f8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c2b636b3f788d10486a6691ad6dd3ec4c93bd78e 6436e1b5331b1aebf905c13e0880a37032719b75 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.10","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.10 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/bluetooth/btintel_pcie.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ab0159b1f7214ce9bad9862751e4553e635a21b1","status":"affected","version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","versionType":"git"},{"lessThan":"73a50c636425cb9f7ab647b5a97bd14dd5610076","status":"affected","version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","versionType":"git"},{"lessThan":"46884c0f92708f1d218fc94d88800227a19b52f8","status":"affected","version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","versionType":"git"},{"lessThan":"6436e1b5331b1aebf905c13e0880a37032719b75","status":"affected","version":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/bluetooth/btintel_pcie.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.10"},{"lessThan":"6.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"6.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"6.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc3","versionStartIncluding":"6.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: validate packet_len before skb_put_data\n\nbtintel_pcie_submit_rx_work() reads packet_len from rfh_hdr without\nchecking if it exceeds the RX buffer size. An oversized packet_len\ncan lead to an out-of-bounds read in skb_put_data().\n\nValidate packet_len to ensure it is non-zero and does not exceed\nBTINTEL_PCIE_BUFFER_SIZE - sizeof(*rfh_hdr), logging an error when\ninvalid.\n\nThis issue was reported by Claude Mythos. It can be simulated either by\nusing customized firmware configured to return an invalid packet_len or\nby modifying rfh_hdr->packet_len in the driver before calling\nbtintel_pcie_submit_rx_work()."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:23:14.596Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ab0159b1f7214ce9bad9862751e4553e635a21b1"},{"url":"https://git.kernel.org/stable/c/73a50c636425cb9f7ab647b5a97bd14dd5610076"},{"url":"https://git.kernel.org/stable/c/46884c0f92708f1d218fc94d88800227a19b52f8"},{"url":"https://git.kernel.org/stable/c/6436e1b5331b1aebf905c13e0880a37032719b75"}],"title":"Bluetooth: btintel_pcie: validate packet_len before skb_put_data","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-97976","datePublished":"2026-09-25T10:23:14.596Z","dateReserved":"2026-09-25T10:18:58.207Z","dateUpdated":"2026-09-25T10:23:14.596Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:25","lastModifiedDate":"2026-09-25 11:17:25","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"97976","Ordinal":"1","Title":"Bluetooth: btintel_pcie: validate packet_len before skb_put_data","CVE":"CVE-2026-97976","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"97976","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: validate packet_len before skb_put_data\n\nbtintel_pcie_submit_rx_work() reads packet_len from rfh_hdr without\nchecking if it exceeds the RX buffer size. An oversized packet_len\ncan lead to an out-of-bounds read in skb_put_data().\n\nValidate packet_len to ensure it is non-zero and does not exceed\nBTINTEL_PCIE_BUFFER_SIZE - sizeof(*rfh_hdr), logging an error when\ninvalid.\n\nThis issue was reported by Claude Mythos. It can be simulated either by\nusing customized firmware configured to return an invalid packet_len or\nby modifying rfh_hdr->packet_len in the driver before calling\nbtintel_pcie_submit_rx_work().","Type":"Description","Title":"Bluetooth: btintel_pcie: validate packet_len before skb_put_data"}]}}}