CVE-2026-90319
rapidio: clear mport->net when rio_add_net() fails
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.
INFO
Published Date :
Sept. 17, 2026, 5:17 p.m.
Last Modified :
Sept. 17, 2026, 5:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Clear mport->net upon rio_add_net() failure.
- Ensure consistent cleanup for allocation failures.
- Update kernel to include the fix.
- Review related resource management logic.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-90319.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-90319 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-90319
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-90319 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-90319 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 17, 2026
Action Type Old Value New Value 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. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/90xxx/CVE-2026-90319.json">CVE-2026-90319</a> Added Reference https://git.kernel.org/stable/c/24f60ebabeb8757cec8ec2f97660d521bc9147ec Added Reference https://git.kernel.org/stable/c/332591a245de978349a7558f8b20469951bb77cc Added Reference https://git.kernel.org/stable/c/3f00999e44d9984036a029dbad9d2afe94a674d0 Added Reference https://git.kernel.org/stable/c/44a37264b26911e13d0a4f5630751c4157ed0354 Added Reference https://git.kernel.org/stable/c/530a9d5ef831a0049dad9a6b2b92d02301352c38 Added Reference https://git.kernel.org/stable/c/6a760a53e73064735cdfa9e51c664983a89baf96 Added Reference https://git.kernel.org/stable/c/75f0bc167b96bbbef8182b88308c732af82c8d83 Added Reference https://git.kernel.org/stable/c/b74030fbf187b43c1f85b66a7082e9946511cb5d