thunderbolt: Set tb->root_switch to NULL when domain is stopped
Priority LOW 32Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 6 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.00225 13th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.271, 5.15.222, 6.1.189 +4Red Hat: 6 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2026-97508
- 2026-10-03 Alias added: GHSA-93h6-v44h-45xx
- 2026-10-03 Fix available: Linux/[email protected], Linux/[email protected], Linux/Linux@54ad3415cc211ca0d64ae1bf3234d6eb5c6aedd0 +5 · CNA
- 2026-10-03 4 new references · CNA
- 2026-11-06 Affected versions changed · Red Hat
References
Other 7
- https://git.kernel.org/stable/c/d9a638e7bc87e0e6fe3a75517ac481e72fc0058c
- https://git.kernel.org/stable/c/66b0fe27e277713c2b9f3c452c76330ed0bd7eaf
- https://git.kernel.org/stable/c/54ad3415cc211ca0d64ae1bf3234d6eb5c6aedd0
- https://git.kernel.org/stable/c/83d1af5b1b6e6c96ffa633ca2c9a77f6f4c93efa
- https://git.kernel.org/stable/c/f06e9fbae78a51832211b4495a19412c7d49ecb4
- https://git.kernel.org/stable/c/99f019d2e9eb79adc485fef8aa8ada2cd0c843e9
- https://git.kernel.org/stable/c/e56249d8a68e712f3b60e1f3fdbb5b4fea146468
More Linux vulnerabilities
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- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2021-02452 Incorrect authorization in Ubuntu linux kernel KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2026-97508 · CVE Program
- CVE-2026-97508 · NVD
- FIRST EPSS
- GHSA-93h6-v44h-45xx · GitHub Advisory Database · CC BY 4.0
- CVE-2026-97508 · Red Hat security data · CC BY 4.0
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