What is CVE-2026-80643?

CVE-2026-80643 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 5.11 onward and patched in 6.18.40, 7.1.5 and 7.2. CVE-2026-80643 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-80643?

CVE-2026-80643 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-80643?

Yes, CVE-2026-80643 has been patched. Fixed versions include 6.18.40, 7.1.5 and 7.2. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-80643 actively exploited?

CVE-2026-80643 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-80643

In the Linux kernel, the following vulnerability has been resolved: EDAC/igen6: Fix call trace due to missing release() When unloading the igen6_edac driver, there is a call trace: Device '(null)' does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst. WARNING: drivers/base/core.c:2567 at device_release+0x84/0x90, CPU#5: rmmod/127209 ... RIP: 0010:device_release+0x84/0x90 Call Trace: <TASK> kobject_put+0x8c/0x220 put_device+0x17/0x30 igen6_unregister_mcis+0xa2/0xe0 [igen6_edac] igen6_remove+0x82/0xb0 [igen6_edac] ... Fix the call trace by providing empty release() functions for the memory controller devices.

Package Linux Kernel

Published 2026-08-28

Last modified 2026-08-28

Patch available

Yes

Affected versions

Linux kernel versions 5.11 and later are affected. Fixed in 6.18.40, 7.1.5, 7.2 and their respective stable series.

Affected from

≥ 5.11

Fixed in

✓ 6.18.40 6.18.x ✓ 7.1.5 7.1.x ✓ 7.2

References

3 total

Frequently asked questions

What is CVE-2026-80643?

CVE-2026-80643 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.11 onward and has been patched in 6.18.40, 7.1.5 and 7.2. CVE-2026-80643 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-80643?

Yes. CVE-2026-80643 has been patched. Fixed versions include 6.18.40, 7.1.5 and 7.2. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-80643 actively exploited?

No. CVE-2026-80643 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.