Bluetooth: btintel: Validate length before parsing diagnostics TLV
CVE-2026-74532 is fixed in 47 products on 1 platform, first by DEBIAN-CVE-2026-74532, released August 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: Validate length before parsing diagnostics TLV btintel_diagnostics() accesses tlv->val[0] without first validating that the diagnostics VSE is long enough to contain that field, so may cause reading data beyond the received frame. Fix by validating the length before access.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.90.1.150700.17.51.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-livepatch-SLE15-SP7_Update_24 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-uek · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-devel · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-devel · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-deprecated · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-deprecated · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-desktop · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-desktop · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-extra · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-extra · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-usb · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-usb · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-wireless · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-wireless · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-devel · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-devel · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-doc · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-doc · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-deprecated · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-deprecated · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-desktop · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-desktop · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-extra · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-extra · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-extra-netfilter · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-extra-netfilter · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-usb · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-usb · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-wireless · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-wireless · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-tools · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-tools · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-devel · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-deprecated · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-deprecated · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-desktop · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-desktop · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-extra · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-extra · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-usb · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-usb · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-wireless · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-wireless · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.105-1 | DEBIAN-CVE-2026-74532 | Aug 16, 2026 |
| linux · Debian 14 | 7.1.8-1 | DEBIAN-CVE-2026-74532 | Aug 16, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.107-1~deb12u1 | DEBIAN-CVE-2026-74532 | Aug 16, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.