What is CVE-2026-90165?

CVE-2026-90165 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 6.6.142 onward and patched in 6.6.157, 6.12.110, 6.18.52 and others. CVE-2026-90165 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-90165?

CVE-2026-90165 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-90165?

Yes, CVE-2026-90165 has been patched. Fixed versions include 6.6.157, 6.12.110, 6.18.52 and others. If you are running Linux kernel 6.6.142 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-90165 actively exploited?

CVE-2026-90165 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-90165

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix invalid pointer dereference in ksmbd_stop_durable_scavenger() See the procedure below: ksmbd_launch_ksmbd_durable_scavenger durable_scavenger_running = true server_conf.dh_task = kthread_run() // fail, dh_task is an ERR_PTR() server_ctrl_handle_reset ksmbd_stop_durable_scavenger kthread_stop(server_conf.dh_task) // invalid pointer

Package Linux Kernel

Published 2026-09-17

Last modified 2026-09-17

Patch available

Yes

Affected versions

Linux kernel versions 6.6.142, 6.11 and later are affected. Fixed in 6.6.157, 6.12.110, 6.18.52, 7.2.6, 7.3-rc1 and their respective stable series.

Affected from

≥ 6.6.142 ≥ 6.11

Fixed in

✓ 6.6.157 6.6.x ✓ 6.12.110 6.12.x ✓ 6.18.52 6.18.x ✓ 7.2.6 7.2.x ✓ 7.3-rc1

References

5 total

Frequently asked questions

What is CVE-2026-90165?

CVE-2026-90165 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.6.142 onward and has been patched in 6.6.157, 6.12.110, 6.18.52 and others. CVE-2026-90165 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-90165?

Yes. CVE-2026-90165 has been patched. Fixed versions include 6.6.157, 6.12.110, 6.18.52 and others. If you are running Linux kernel 6.6.142 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-90165 actively exploited?

No. CVE-2026-90165 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.