ASoC: atmel: Fix error handling in snd_proto_probe
In the Linux kernel, the following vulnerability has been resolved: ASoC: atmel: Fix error handling in snd_proto_probe The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. This function only calls of_node_put() in the regular path. And it will cause refcount leak in error paths. Fix this by calling of_node_put() in error handling too.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: ASoC: atmel: Fix error handling in snd_proto_probe The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. This function only calls of_node_put() in the regular path. And it will cause refcount leak in error paths. Fix this by calling of_node_put() in error handling too.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0f517480d5888cd54487c5662ce4da95b30ad798
- https://git.kernel.org/stable/c/8fa969cd8485031294f91fc7184399000cae6355
- https://git.kernel.org/stable/c/b0bfaf0544d08d093d6211d7ef8816fb0b5b6c75
- https://git.kernel.org/stable/c/f32ac9bf5e3f594ef9bfedb410aebc98cf784e69
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49246.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49246