CVE-2026-97508

thunderbolt: Set tb->root_switch to NULL when domain is stopped

HIGH

7.5

CVSS Score

Published: September 24, 2026 at 04:04 PM UTC

Updated: October 3, 2026 at 11:18 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.5

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Set tb->root_switch to NULL when domain is stopped Similarly what we do with the firmware connection manager. This makes tb_xdp_handle_request() return error to the remote host. However, we need to make sure we keep the uuid alive so that we can reply until the whole domain is released.

Affected

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

Linux Kernel · Linux

95%

4.15 ≤ v < 5.10.2714.15 ≤ v < 5.15.2224.15 ≤ v < 6.1.1894.15 ≤ v < 6.12.1114.15 ≤ v < 6.18.534.15 ≤ v < 6.6.1584.15 ≤ v < 7.24.15d1ff70241a275133e1a0258b7c23588b122276c8

Vendor states this is fixed in 54ad3415cc211ca0d64ae1bf3234d6eb5c6aedd0 (fixed)

Vendor states this is fixed in 66b0fe27e277713c2b9f3c452c76330ed0bd7eaf (fixed)

Vendor states this is fixed in 83d1af5b1b6e6c96ffa633ca2c9a77f6f4c93efa (fixed)

Vendor states this is fixed in 99f019d2e9eb79adc485fef8aa8ada2cd0c843e9 (fixed)

Vendor states this is fixed in d9a638e7bc87e0e6fe3a75517ac481e72fc0058c (fixed)

Vendor states this is fixed in e56249d8a68e712f3b60e1f3fdbb5b4fea146468 (fixed)

Vendor states this is fixed in f06e9fbae78a51832211b4495a19412c7d49ecb4 (fixed)

Vendor states this is fixed in 4.15 (unaffected)

Vendor states this is fixed in 5.10.271 (unaffected)

Vendor states this is fixed in 5.15.222 (unaffected)

Vendor states this is fixed in 6.1.189 (unaffected)

Vendor states this is fixed in 6.12.111 (unaffected)