{"id":"CVE-2026-98291","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: fix off-by-one bounds check in RX submit\n\nbtintel_pcie_submit_rx() used frbd_index > rxq->count to guard the\nFRBD array access, allowing frbd_i…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: fix off-by-one bounds check in RX submit\n\nbtintel_pcie_submit_rx() used frbd_index > rxq->count to guard the\nFRBD array access, allowing frbd_i…","severity":"high","vendor":"Linux","product":"Linux","affected":["Linux >= c2b636b3f788d10486a6691ad6dd3ec4c93bd78e < b5214d72bfdf8ef7744d0c8147e6ebb09b36b259","Linux >= c2b636b3f788d10486a6691ad6dd3ec4c93bd78e < 18464860ce27af0dccd2fc72830610b85b518cff","Linux >= c2b636b3f788d10486a6691ad6dd3ec4c93bd78e < de4c3c72bcc6e8474f70c22427f94ca44bccd890","Linux >= c2b636b3f788d10486a6691ad6dd3ec4c93bd78e < 2ea5a87a5a7ae58cb2662b8a7d06f209383e1765","Linux 6.10"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:19.467","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98291","references":[{"url":"https://git.kernel.org/stable/c/18464860ce27af0dccd2fc72830610b85b518cff","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2ea5a87a5a7ae58cb2662b8a7d06f209383e1765","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b5214d72bfdf8ef7744d0c8147e6ebb09b36b259","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/de4c3c72bcc6e8474f70c22427f94ca44bccd890","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98291.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98291"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2546501"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98291"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98291"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98291.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-06T08:50:17.416Z","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"vendor","cwe":["CWE-193"],"epss":0.00168,"epssPercentile":0.06045,"slug":"CVE-2026-98291","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: fix off-by-one bounds check in RX submit\n\nbtintel_pcie_submit_rx() used frbd_index > rxq->count to guard the\nFRBD array access, allowing frbd_index == rxq->count to pass through\nand index one element past the end of the array. Change the check to\n>= rxq->count so every out-of-range index is rejected.\n\nThis issue was reported by Claude Mythos.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-10 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98291.json)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":219061,"id":"CVE-2026-98291","ts":1791707047122,"field":"cvss","old":null,"new":"7"},{"seq":219060,"id":"CVE-2026-98291","ts":1791707047122,"field":"severity","old":"none","new":"high"}]}