In the Linux kernel, the following vulnerability has been resolved:
rapidio: clear mport->net when rio_add_net() fails
rio_alloc_net() stores the newly allocated rio_net in mport->net before
rio_scan_alloc_net() registers the device.
If rio_add_net() fails, rio_scan_alloc_net() drops the device reference
with put_device(), which releases the rio_net through the device release
callback. However, mport->net is left pointing at the freed object.
A later mport unregister path can then dereference the dangling mport->net
pointer and may try to free the same rio_net again.
Clear mport->net in the rio_add_net() failure path, matching the cleanup
done for the destID table allocation failure path.
rapidio: clear mport->net when rio_add_net() fails
rio_alloc_net() stores the newly allocated rio_net in mport->net before
rio_scan_alloc_net() registers the device.
If rio_add_net() fails, rio_scan_alloc_net() drops the device reference
with put_device(), which releases the rio_net through the device release
callback. However, mport->net is left pointing at the freed object.
A later mport unregister path can then dereference the dangling mport->net
pointer and may try to free the same rio_net again.
Clear mport->net in the rio_add_net() failure path, matching the cleanup
done for the destID table allocation failure path.
Metrics
Affected Vendors & Products
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| Vendors | Products |
|---|---|
|
Linux
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|
Linux Kernel
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Advisories
| Source | ID | Title |
|---|---|---|
 Debian DLA |
DLA-4817-1 | linux-6.12 security update |
| Debian DLA |
DLA-4841-1 | linux security update |
 Debian DSA |
DSA-6528-1 | linux security update |
 Ubuntu USN |
USN-8961-1 | Linux kernel vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sat, 19 Sep 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-416 |
Thu, 17 Sep 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: rapidio: clear mport->net when rio_add_net() fails rio_alloc_net() stores the newly allocated rio_net in mport->net before rio_scan_alloc_net() registers the device. If rio_add_net() fails, rio_scan_alloc_net() drops the device reference with put_device(), which releases the rio_net through the device release callback. However, mport->net is left pointing at the freed object. A later mport unregister path can then dereference the dangling mport->net pointer and may try to free the same rio_net again. Clear mport->net in the rio_add_net() failure path, matching the cleanup done for the destID table allocation failure path. | |
| Title | rapidio: clear mport->net when rio_add_net() fails | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
|
Projects
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MITRE
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-10-19T09:01:35.572Z
Reserved: 2026-09-11T19:38:34.801Z
Link: CVE-2026-90319
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-17T17:17:29.817
Modified: 2026-10-19T09:19:25.893
Link: CVE-2026-90319
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-09-19T14:45:14Z
Weaknesses