CVE-2026-98731

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel_pcie: fix plen overflow in btintel_pcie_recv_frame() plen is u16 and computed as HDR_SIZE + dlen. For ACL/ISO frames dlen is a 16-bit field, so a value >= 0xFFFC wraps the sum, bypassing the "skb->len < plen" check and letting skb_trim() truncate the packet. Widen plen to u32 so the addition cannot wrap.

Package Linux Kernel
Published 2026-10-18
Last modified 2026-10-18
Patch available
Yes

Affected versions

Linux kernel versions 6.10 and later are affected. Fixed in 6.12.113, 6.18.56, 7.2.10, 7.3 and their respective stable series.

Affected from
≥ 6.10
Fixed in
✓ 6.12.113 6.12.x ✓ 6.18.56 6.18.x ✓ 7.2.10 7.2.x ✓ 7.3

Frequently asked questions

  • What is CVE-2026-98731?

    CVE-2026-98731 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.10 onward and has been patched in 6.12.113, 6.18.56, 7.2.10 and others. CVE-2026-98731 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-98731?

    Yes. CVE-2026-98731 has been patched. Fixed versions include 6.12.113, 6.18.56, 7.2.10 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.

  • Is CVE-2026-98731 actively exploited?

    No. CVE-2026-98731 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.