CVE-2022-50311

Summary

In the Linux kernel, the following vulnerability has been resolved:

cxl: Fix refcount leak in cxl_calc_capp_routing

of_get_next_parent() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. This function only calls of_node_put() in normal path, missing it in the error path. Add missing of_node_put() to avoid refcount leak.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxf24be42aab37c6d07c05126673138e06223a6399 < c9bebc503881c1391f6c4f820134884adecf1519affected
LinuxLinuxf24be42aab37c6d07c05126673138e06223a6399 < ee870f72465015327ad96204b0e92450d04870cdaffected
LinuxLinuxf24be42aab37c6d07c05126673138e06223a6399 < f2d60f6ba173cded65081cee690b67802395a479affected
LinuxLinuxf24be42aab37c6d07c05126673138e06223a6399 < 81c8bbf5b2b5f0c8030fff1716c00849cda8571aaffected
LinuxLinuxf24be42aab37c6d07c05126673138e06223a6399 < 6a310e8db5409676b4b3e6c1f54dff174e4fd04daffected
LinuxLinuxf24be42aab37c6d07c05126673138e06223a6399 < 651e8bc9d0418c20a1989b7c078c64c2a6346fa3affected
LinuxLinuxf24be42aab37c6d07c05126673138e06223a6399 < 2d7b6580384e6d65419933ddc525bd176095da54affected
LinuxLinuxf24be42aab37c6d07c05126673138e06223a6399 < 1d09697ff22908ae487fc8c4fbde1811732be523affected
LinuxLinux4.12affected
LinuxLinux0 < 4.12unaffected
LinuxLinux4.14.303 <= 4.14.*unaffected
LinuxLinux4.19.270 <= 4.19.*unaffected
LinuxLinux5.4.229 <= 5.4.*unaffected
LinuxLinux5.10.163 <= 5.10.*unaffected
LinuxLinux5.15.86 <= 5.15.*unaffected
LinuxLinux6.0.16 <= 6.0.*unaffected
LinuxLinux6.1.2 <= 6.1.*unaffected
LinuxLinux6.2 <= *unaffected

Weaknesses

References