What is CVE-2026-97508?

CVE-2026-97508 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10, affecting Linux kernel versions from 4.15 onward and patched in 5.10.271, 5.15.222, 6.1.189 and others. CVE-2026-97508 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-97508?

CVE-2026-97508 has a CVSS score of 7.5 out of 10, rated High severity. The vector string is CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2026-97508?

Yes, CVE-2026-97508 has been patched. Fixed versions include 5.10.271, 5.15.222, 6.1.189 and others. If you are running Linux kernel 4.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-97508 actively exploited?

CVE-2026-97508 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-97508

High

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.

Package Linux Kernel

Published 2026-09-24

Last modified 2026-10-03

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.5

out of 10

High

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected versions

Linux kernel versions 4.15 and later are affected. Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2 and their respective stable series.

Affected from

≥ 4.15

Fixed in

✓ 5.10.271 5.10.x ✓ 5.15.222 5.15.x ✓ 6.1.189 6.1.x ✓ 6.6.158 6.6.x ✓ 6.12.111 6.12.x ✓ 6.18.53 6.18.x ✓ 7.2

References

7 total

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2026-97508

Severity High

CVSS score 7.5 / 10

CVSS version 3.1

Published 2026-09-24

Modified 2026-10-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-97508?

CVE-2026-97508 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . It affects Linux kernel versions from 4.15 onward and has been patched in 5.10.271, 5.15.222, 6.1.189 and others. CVE-2026-97508 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-97508?

CVE-2026-97508 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2026-97508?

Yes. CVE-2026-97508 has been patched. Fixed versions include 5.10.271, 5.15.222, 6.1.189 and others. If you are running Linux kernel 4.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-97508 actively exploited?

No. CVE-2026-97508 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.