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
Analysis
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux | unaffected |
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| Linux | Linux | affected |
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No vendor fix or workaround currently provided.
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Tracking
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Thu, 17 Sep 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 | |
| Title | smb/server: fix invalid pointer dereference in ksmbd_stop_durable_scavenger() | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
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MITRE
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-09-17T16:06:55.196Z
Reserved: 2026-09-11T19:38:34.790Z
Link: CVE-2026-90165
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-17T17:17:09.853
Modified: 2026-09-17T17:17:09.853
Link: CVE-2026-90165
Redhat
No data.
OpenCVE Enrichment
No data.
No weakness.