CVE-2026-98291
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel_pcie: fix off-by-one bounds check in RX submit btintel_pcie_submit_rx() used frbd_index > rxq->count to guard the FRBD array access, allowing frbd_index == rxq->count to pass through and index one element past the end of the array. Change the check to >= rxq->count so every out-of-range index is rejected. This issue was reported by Claude Mythos.
Affected versions
Linux kernel versions
6.10
and later are affected. Fixed in
6.12.112,
6.18.54,
7.2.8,
7.3-rc4
and their respective stable series.
References
4 totalFrequently asked questions
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What is CVE-2026-98291?
CVE-2026-98291 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.10 onward and has been patched in 6.12.112, 6.18.54, 7.2.8 and others. CVE-2026-98291 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-98291?
Yes. CVE-2026-98291 has been patched. Fixed versions include 6.12.112, 6.18.54, 7.2.8 and others. If you are running Linux kernel 6.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-98291 actively exploited?
No. CVE-2026-98291 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.