{"id":"CVE-2022-50887","state":"PUBLISHED","title":"regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: core: fix unbalanced of node refcount in regulator_dev_lookup()\n\nI got the the following report:\n\n  OF: ERROR: memory leak, expected refcount 1 instead of 2,\n  of_node_get()/of_node_put() unbalanced - destroy cset entry:\n  attach overlay node /i2c/pmic@62/regulators/exten\n\nIn of_get_regulator(), the node is returned from of_parse_phandle()\nwith refcount incremented, after using it, of_node_put() need be called.","publishedAt":"2025-12-30T12:37:05.505Z","updatedAt":"2026-05-11T19:27:03.329Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"0e88505ac0a6ae97746bcdbd4b042ee9f20455ae","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"4dfcf5087db9a34a300d6b99009232d4537c3e6a","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"3ac888db0f67813d91373a9a61c840f815cd4ec9","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"d39937f8de641c44a337cec4a2e5d3e8add20a7d","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"f48c474efe05cf9ce5e535b5e0ddd710e963936c","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"cda1895f3b7f324ece1614308a815a3994983b97","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"2b93c58adddd98812ad928bbc2063038f3df1ffd","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"2f98469c3141f8e42ba11075a273fb795bbad57f","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"f2b41b748c19962b82709d9f23c6b2b0ce9d2f91","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.3","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/core.c"]}],"references":["https://git.kernel.org/stable/c/0e88505ac0a6ae97746bcdbd4b042ee9f20455ae","https://git.kernel.org/stable/c/4dfcf5087db9a34a300d6b99009232d4537c3e6a","https://git.kernel.org/stable/c/3ac888db0f67813d91373a9a61c840f815cd4ec9","https://git.kernel.org/stable/c/d39937f8de641c44a337cec4a2e5d3e8add20a7d","https://git.kernel.org/stable/c/f48c474efe05cf9ce5e535b5e0ddd710e963936c","https://git.kernel.org/stable/c/cda1895f3b7f324ece1614308a815a3994983b97","https://git.kernel.org/stable/c/2b93c58adddd98812ad928bbc2063038f3df1ffd","https://git.kernel.org/stable/c/2f98469c3141f8e42ba11075a273fb795bbad57f","https://git.kernel.org/stable/c/f2b41b748c19962b82709d9f23c6b2b0ce9d2f91"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50887.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50887","state":"PUBLISHED","datePublished":"2025-12-30T12:37:05.505Z","dateUpdated":"2026-05-11T19:27:03.329Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:35:41.595Z"},"containers":{"cna":{"title":"regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: core: fix unbalanced of node refcount in regulator_dev_lookup()\n\nI got the the following report:\n\n  OF: ERROR: memory leak, expected refcount 1 instead of 2,\n  of_node_get()/of_node_put() unbalanced - destroy cset entry:\n  attach overlay node /i2c/pmic@62/regulators/exten\n\nIn of_get_regulator(), the node is returned from of_parse_phandle()\nwith refcount incremented, after using it, of_node_put() need be called."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"0e88505ac0a6ae97746bcdbd4b042ee9f20455ae","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"4dfcf5087db9a34a300d6b99009232d4537c3e6a","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"3ac888db0f67813d91373a9a61c840f815cd4ec9","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"d39937f8de641c44a337cec4a2e5d3e8add20a7d","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"f48c474efe05cf9ce5e535b5e0ddd710e963936c","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"cda1895f3b7f324ece1614308a815a3994983b97","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"2b93c58adddd98812ad928bbc2063038f3df1ffd","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"2f98469c3141f8e42ba11075a273fb795bbad57f","versionType":"git"},{"version":"69511a452e6dc6b74fe4f3671a51b1b44b9c57e3","status":"affected","lessThan":"f2b41b748c19962b82709d9f23c6b2b0ce9d2f91","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.3","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0e88505ac0a6ae97746bcdbd4b042ee9f20455ae"},{"url":"https://git.kernel.org/stable/c/4dfcf5087db9a34a300d6b99009232d4537c3e6a"},{"url":"https://git.kernel.org/stable/c/3ac888db0f67813d91373a9a61c840f815cd4ec9"},{"url":"https://git.kernel.org/stable/c/d39937f8de641c44a337cec4a2e5d3e8add20a7d"},{"url":"https://git.kernel.org/stable/c/f48c474efe05cf9ce5e535b5e0ddd710e963936c"},{"url":"https://git.kernel.org/stable/c/cda1895f3b7f324ece1614308a815a3994983b97"},{"url":"https://git.kernel.org/stable/c/2b93c58adddd98812ad928bbc2063038f3df1ffd"},{"url":"https://git.kernel.org/stable/c/2f98469c3141f8e42ba11075a273fb795bbad57f"},{"url":"https://git.kernel.org/stable/c/f2b41b748c19962b82709d9f23c6b2b0ce9d2f91"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:27:03.329Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}