CVEvulnerability
CVE-2026-80643
- Status
- Received
- Published
- 2026-08-28
- Last modified
- 2026-10-21
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Description
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.
References
- https://git.kernel.org/stable/c/449ba210e6bee9ef6e69c6ab58198ffa5aa479ae git.kernel.org
- https://git.kernel.org/stable/c/9a84ced0243c74aa431ec287555054c69e6167d1 git.kernel.org
- https://git.kernel.org/stable/c/a341302c5126ef96bb45286224d67ef60a24281e git.kernel.org
- https://git.kernel.org/stable/c/ab1f9d466c7d83ab0d2a529e07984e53b5960dcd git.kernel.org
- https://git.kernel.org/stable/c/fa9560b6d3f665eddf7a625adfc9af8c6980c3f5 git.kernel.org