CVE-2022-50311
cxl: Fix refcount leak in cxl_calc_capp_routing
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Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/1d09697ff22908ae487fc8c4fbde1811732be523
- https://git.kernel.org/stable/c/2d7b6580384e6d65419933ddc525bd176095da54
- https://git.kernel.org/stable/c/651e8bc9d0418c20a1989b7c078c64c2a6346fa3
- https://git.kernel.org/stable/c/6a310e8db5409676b4b3e6c1f54dff174e4fd04d
- https://git.kernel.org/stable/c/81c8bbf5b2b5f0c8030fff1716c00849cda8571a
References (8)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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