CVE-2026-98732 PUBLISHED

Bluetooth: btintel: fix buffer over-read in btintel_hw_error()

Assigner: Linux
Reserved: 25.09.2026 Published: 18.10.2026 Updated: 18.10.2026

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: btintel: fix buffer over-read in btintel_hw_error()

The "Exception info %s" print uses skb->data + 1, but the 12-byte payload is not guaranteed to be NUL-terminated and can be read past its end.

Bound the print with "%.*s" and skb->len - 1.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 973bb97e5aee56edddaae3d5c96877101ad509c0 to bbc7de352f3f3864369c904aac944c7de84c6e7b (excl.)
  • affected from 973bb97e5aee56edddaae3d5c96877101ad509c0 to c42ce5373405ca93946311652c51ccfeb1c2d913 (excl.)
  • affected from 973bb97e5aee56edddaae3d5c96877101ad509c0 to 673f707518e8ef03306f84c512cb160971f175fe (excl.)
  • affected from 973bb97e5aee56edddaae3d5c96877101ad509c0 to 40eb4b18ad167b63644c27fa67a7400ba050379a (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.3 is affected
  • unaffected from 0 to 4.3 (excl.)
  • unaffected from 6.12.113 to 6.12.* (incl.)
  • unaffected from 6.18.56 to 6.18.* (incl.)
  • unaffected from 7.2.10 to 7.2.* (incl.)
  • unaffected from 7.3-rc6 to * (incl.)

References