What is CVE-2026-98209?

CVE-2026-98209 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 5.4 onward and patched in 5.10.271, 5.15.222, 6.1.189 and others. CVE-2026-98209 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-98209?

CVE-2026-98209 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-98209?

Yes, CVE-2026-98209 has been patched. Fixed versions include 5.10.271, 5.15.222, 6.1.189 and others. If you are running Linux kernel 5.4 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-98209 actively exploited?

CVE-2026-98209 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-98209

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-of-aspeed: Remove children before releasing SDC resources Probe failure and removal leave SDHCI child devices registered after the parent clock and managed resources are released. Unregister the OF children in reverse order before disabling the parent clock on both paths. Use of_platform_device_destroy() because manual child creation does not set the flag required by of_platform_depopulate(). This issue was identified during our ongoing static-analysis research while reviewing kernel code.

Package Linux Kernel

Published 2026-10-06

Last modified 2026-10-06

Patch available

Yes

Affected versions

Linux kernel versions 5.4 and later are affected. Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112, 6.18.54, 7.2.8, 7.3-rc4 and their respective stable series.

Affected from

≥ 5.4

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 ✓ 6.12.112 6.12.x ✓ 6.18.54 6.18.x ✓ 7.2.8 7.2.x ✓ 7.3-rc4

References

8 total

Showing 5 of 8 references View all on NVD

Frequently asked questions

What is CVE-2026-98209?

CVE-2026-98209 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.4 onward and has been patched in 5.10.271, 5.15.222, 6.1.189 and others. CVE-2026-98209 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-98209?

Yes. CVE-2026-98209 has been patched. Fixed versions include 5.10.271, 5.15.222, 6.1.189 and others. If you are running Linux kernel 5.4 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-98209 actively exploited?

No. CVE-2026-98209 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.