CVE-2022-50209: meson-mx-socinfo: Fix refcount leak in meson_mx_socinfo_init
In the Linux kernel, the following vulnerability has been resolved:
meson-mx-socinfo: Fix refcount leak in meson_mx_socinfo_init
of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
Security readout for executives and security teams
Plain-English summary
This is a Linux kernel bookkeeping bug in the Meson MX SoC information code. A device-tree node reference is not released after use, causing a reference-count leak. Sources do not provide CVSS, business impact, or exploitation evidence. Treat it as low-urgency patch hygiene unless you operate affected embedded Linux platforms.
Executive priority
Low priority for most organizations. Include it in normal kernel update cycles, with higher attention for managed embedded fleets or products built on affected Linux kernels.
Technical view
meson_mx_socinfo_init uses of_find_matching_node(), which increments a device-tree node reference count. The resolved issue adds the missing of_node_put() call when the node is no longer needed. The CVE record lists Linux kernel versions and stable commits, but provides no CWE, CVSS, or exploitation detail.
Likely exposure
Exposure appears limited to Linux systems running affected kernel versions with the Meson MX SoC information path present, most plausibly embedded or appliance platforms using relevant Amlogic Meson hardware. Standard servers and cloud workloads are less likely exposed unless they carry this kernel code path.
Exploitation context
The supplied sources do not show active exploitation, public exploit activity, or KEV listing. The described flaw is a reference-count leak during kernel initialization, not a documented privilege escalation or remote attack path.
Researcher notes
Evidence is sparse: no CVSS, CWE, exploit status, or operational impact is provided. The strongest source detail is the kernel fix description tying the issue to an unreleased device-tree node reference from of_find_matching_node().
Mitigation direction
Review vendor or distribution kernel advisories for CVE-2022-50209.
Update affected Linux kernels to builds containing the referenced stable fixes.
Prioritize embedded Linux and appliance images using Meson MX hardware.
Track the issue as maintenance unless vendor guidance raises severity.
Validation and detection
Inventory Linux kernel versions across embedded and appliance assets.
Check whether affected systems include the Meson MX SoC information code path.
Confirm the kernel source or package includes the missing of_node_put() fix.
Document systems where vendor kernels have not yet shipped the fix.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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0CVSS vectors
3Timeline events
0ADP providers
8Source links
Vulnerability timeline
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CVE reservedCVE Program
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CVE publishedCVE Program
The CVE record was published.
Jun 18, 2025, 11:03 UTC (UTC+00:00)
CVE updatedCVE Program
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