CVE-2022-50887

regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()

State: Published
Severity: Not scored
Published: Dec 30, 2025
Updated: May 11, 2026
Reserved: Dec 30, 2025

Description

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

regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()

I got the the following report:

OF: ERROR: memory leak, expected refcount 1 instead of 2, of_node_get()/of_node_put() unbalanced - destroy cset entry: attach overlay node /i2c/pmic@62/regulators/exten

In of_get_regulator(), the node is returned from of_parse_phandle() with refcount incremented, after using it, of_node_put() need be called.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 0e88505ac0a6ae97746bcdbd4b042ee9f20455aeAffected 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 4dfcf5087db9a34a300d6b99009232d4537c3e6aAffected 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 3ac888db0f67813d91373a9a61c840f815cd4ec9Affected 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before d39937f8de641c44a337cec4a2e5d3e8add20a7dAffected 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before f48c474efe05cf9ce5e535b5e0ddd710e963936cAffected 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before cda1895f3b7f324ece1614308a815a3994983b97Affected 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 2b93c58adddd98812ad928bbc2063038f3df1ffdAffected 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 2f98469c3141f8e42ba11075a273fb795bbad57fAffected 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before f2b41b748c19962b82709d9f23c6b2b0ce9d2f91Affected
LinuxLinux	3.3Affected before 3.3Not affected 4.9.337 through 4.9.Not affected 4.14.303 through 4.14.Not affected 4.19.270 through 4.19.Not affected 5.4.229 through 5.4.Not affected 5.10.163 through 5.10.Not affected 5.15.86 through 5.15.Not affected 6.0.16 through 6.0.Not affected 6.1.2 through 6.1.Not affected 6.2 and laterNot affected

Product

Versions

LinuxLinux

69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 0e88505ac0a6ae97746bcdbd4b042ee9f20455aeAffected
69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 4dfcf5087db9a34a300d6b99009232d4537c3e6aAffected
69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 3ac888db0f67813d91373a9a61c840f815cd4ec9Affected
69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before d39937f8de641c44a337cec4a2e5d3e8add20a7dAffected
69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before f48c474efe05cf9ce5e535b5e0ddd710e963936cAffected
69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before cda1895f3b7f324ece1614308a815a3994983b97Affected
69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 2b93c58adddd98812ad928bbc2063038f3df1ffdAffected
69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before 2f98469c3141f8e42ba11075a273fb795bbad57fAffected
69511a452e6dc6b74fe4f3671a51b1b44b9c57e3 to before f2b41b748c19962b82709d9f23c6b2b0ce9d2f91Affected

LinuxLinux

3.3Affected
before 3.3Not affected
4.9.337 through 4.9.*Not affected
4.14.303 through 4.14.*Not affected
4.19.270 through 4.19.*Not affected
5.4.229 through 5.4.*Not affected
5.10.163 through 5.10.*Not affected
5.15.86 through 5.15.*Not affected
6.0.16 through 6.0.*Not affected
6.1.2 through 6.1.*Not affected
6.2 and laterNot affected

References

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