CVE-2026-90319

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4f3509cfcc02e9d757f2714bb7dbbeec35de6fa7 < 24f60ebabeb8757cec8ec2f97660d521bc9147ecaffected
LinuxLinux181d4daaefb3bceeb2f2635ba9f3781eeda9e550 < 6a760a53e73064735cdfa9e51c664983a89baf96affected
LinuxLinuxad82be4298a89a9ae46f07128bdf3d8614bce745 < 3f00999e44d9984036a029dbad9d2afe94a674d0affected
LinuxLinuxe6411c3b9512dba09af7d014d474516828c89706 < 332591a245de978349a7558f8b20469951bb77ccaffected
LinuxLinuxc332f3e2df0fcae5a45fd55cc18902fb1e4825ca < 75f0bc167b96bbbef8182b88308c732af82c8d83affected
LinuxLinuxe842f9a1edf306bf36fe2a4d847a0b0d458770de < 44a37264b26911e13d0a4f5630751c4157ed0354affected
LinuxLinuxe842f9a1edf306bf36fe2a4d847a0b0d458770de < 530a9d5ef831a0049dad9a6b2b92d02301352c38affected
LinuxLinuxe842f9a1edf306bf36fe2a4d847a0b0d458770de < b74030fbf187b43c1f85b66a7082e9946511cb5daffected
LinuxLinux6d22953c4a183d0b7fdf34d68c5debd16da6edc5affected
LinuxLinuxa0d069ccc475abaaa79c6368ee27fc0b5912bea8affected
LinuxLinux5.10.235 < 5.10.270affected
LinuxLinux5.15.179 < 5.15.221affected
LinuxLinux6.1.131 < 6.1.188affected
LinuxLinux6.6.83 < 6.6.157affected
LinuxLinux6.12.19 < 6.12.110affected
LinuxLinux5.4.291 < 5.5affected
LinuxLinux6.13.7 < 6.14affected
LinuxLinux6.14affected
LinuxLinux0 < 6.14unaffected
LinuxLinux5.10.270 <= 5.10.*unaffected
LinuxLinux5.15.221 <= 5.15.*unaffected
LinuxLinux6.1.188 <= 6.1.*unaffected
LinuxLinux6.6.157 <= 6.6.*unaffected
LinuxLinux6.12.110 <= 6.12.*unaffected
LinuxLinux6.18.52 <= 6.18.*unaffected
LinuxLinux7.2.6 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References