CVE-2026-98732
Linux: Bluetooth: btintel: fix buffer over-read in btintel_hw_error()
CVSS
NoneNot scoredExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 5% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in673f707518e8ef03306f84c512cb160971f175feAlso 40eb4b18ad167b63644c27fa67a7400ba050379aCVE List
What fixes it
- 673f707518e8ef03306f84c512cb160971f175feLinuxCVE List
- 40eb4b18ad167b63644c27fa67a7400ba050379aLinuxCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
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.
Text from CVE List
Affected versions 12
- Linuxaffected: 973bb97e5aee56edddaae3d5c96877101ad509c0 before be58b239d2be5da7a7fac11d3eb8bf75dce6511bCVE List
- Linuxaffected: 973bb97e5aee56edddaae3d5c96877101ad509c0 before bbc7de352f3f3864369c904aac944c7de84c6e7bCVE List
- Linuxaffected: 973bb97e5aee56edddaae3d5c96877101ad509c0 before c42ce5373405ca93946311652c51ccfeb1c2d913CVE List
- Linuxaffected: 973bb97e5aee56edddaae3d5c96877101ad509c0 before 673f707518e8ef03306f84c512cb160971f175feCVE List
- Linuxaffected: 973bb97e5aee56edddaae3d5c96877101ad509c0 before 40eb4b18ad167b63644c27fa67a7400ba050379aCVE List
- Linuxaffected: 4.3CVE List
- Linuxunaffected: all versions before 4.3CVE List
- Linuxunaffected: 6.6.160 through 6.6.*CVE List
- Linuxunaffected: 6.12.113 through 6.12.*CVE List
- Linuxunaffected: 6.18.56 through 6.18.*CVE List
- Linuxunaffected: 7.2.10 through 7.2.*CVE List
- Linuxunaffected: 7.3CVE List
References 5
- git.kernel.org/stable/c/be58b239d2be5da7a7fac11d3eb8bf75dce6511bReferencevia CVE List
- git.kernel.org/stable/c/bbc7de352f3f3864369c904aac944c7de84c6e7bReferencevia CVE List
- git.kernel.org/stable/c/c42ce5373405ca93946311652c51ccfeb1c2d913Referencevia CVE List
- git.kernel.org/stable/c/673f707518e8ef03306f84c512cb160971f175feReferencevia CVE List
- git.kernel.org/stable/c/40eb4b18ad167b63644c27fa67a7400ba050379aReferencevia CVE List