CVE-2022-50887: regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()
Vulnerability summary
CVE-2022-50887 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.7% of scored vulnerabilities.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 30-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: not stated in public data.
Ubuntu121 products
- linuxAll versions (No fix recorded) | < 4.15.0-208.220 | < 5.4.0-144.161 | < 5.15.0-69.76
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1153.166 | < 5.4.0-1097.105 | < 5.15.0-1033.37
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.4-1
Linux1 product
- linux≥ 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3, < 0e88505ac0a6ae97746bcdbd4b042ee9f20455ae | ≥ 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3, < 4dfcf5087db9a34a300d6b99009232d4537c3e6a | ≥ 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3, < 3ac888db0f67813d91373a9a61c840f815cd4ec9 | ≥ 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3, < d39937f8de641c44a337cec4a2e5d3e8add20a7d | ≥ 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3, < f48c474efe05cf9ce5e535b5e0ddd710e963936c | ≥ 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3, < cda1895f3b7f324ece1614308a815a3994983b97 | ≥ 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3, < 2b93c58adddd98812ad928bbc2063038f3df1ffd | ≥ 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3, < 2f98469c3141f8e42ba11075a273fb795bbad57f | ≥ 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3, < f2b41b748c19962b82709d9f23c6b2b0ce9d2f91 | 3.3
3 vendors · 123 products