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CVE-2026-98110

Bluetooth: btintel: bound firmware ID by TLV length

HIGH
7.1
CVSS Score
Published: September 25, 2026 at 10:35 AM UTC
Updated: October 28, 2026 at 06:41 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.1%

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: bound firmware ID by TLV length The firmware ID is treated as a NUL-terminated string even though the TLV length is its only boundary. If the value does not contain a NUL terminator, snprintf() can read beyond the received response. Limit the conversion to the advertised TLV value length.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.11 ≤ v < 6.12.1116.13 ≤ v < 6.18.536.19 ≤ v < 7.2.7164c62f958f8c7f0bde1e9a5a8677971c6f282056.117.3
Vendor states this is fixed in 058f56de5f48ba4b3be01526006ac83ce9e79f39 (fixed)
Vendor states this is fixed in a07b3024a927892dd46e7dfbed438e8834e24098 (fixed)
Vendor states this is fixed in ac8aa9e0ec93a12a60230066f199f49c3b9aac3d (fixed)
Vendor states this is fixed in aef56a2bd5aa22808ce508605d7497d2b5e8eb5f (fixed)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.12.111 (unaffected)
Vendor states this is fixed in 6.18.53 (unaffected)
Vendor states this is fixed in 7.2.7 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc2 (unaffected)

References (4)

Patch
Source: cverecord
https://git.kernel.org/stable/c/aef56a2bd5aa22808ce508605d7497d2b5e8eb5f
Patch
Source: cverecord
https://git.kernel.org/stable/c/058f56de5f48ba4b3be01526006ac83ce9e79f39
Patch
Source: cverecord
https://git.kernel.org/stable/c/a07b3024a927892dd46e7dfbed438e8834e24098
Patch
Source: cverecord
https://git.kernel.org/stable/c/ac8aa9e0ec93a12a60230066f199f49c3b9aac3d

CVSS

7.1HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125

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