{"api_version":"1","generated_at":"2026-09-30T23:21:56+00:00","cve":"CVE-2026-93273","urls":{"html":"https://cve.report/CVE-2026-93273","api":"https://cve.report/api/cve/CVE-2026-93273.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93273","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93273"},"summary":{"title":"regulator: tps6594: Fix device node reference leaks in multiphase loop","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: tps6594: Fix device node reference leaks in multiphase loop\n\nIn tps6594_regulator_probe(), the multi-phase configuration loop calls\nof_find_node_by_name() to find buck nodes by name, and of_get_parent()\ntwice to navigate to the PMIC parent node. None of the acquired node\nreferences (np, intermediate parent, np_pmic_parent) are ever released\nvia of_node_put(), causing a reference leak on every loop iteration.\n\nAdditionally, of_find_node_by_name() can return NULL, but the result was\nimmediately passed to of_node_full_name() and of_get_parent() without a\nNULL check, which could lead to a NULL pointer dereference.\n\nFix this by:\n- Adding a NULL check for np after of_find_node_by_name()\n- Storing the intermediate parent node in a local variable np_parent\n- Calling of_node_put() on np, np_parent and np_pmic_parent at the\n  end of each loop iteration","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 16:17:24","updated_at":"2026-09-24 16:17:24"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/68ce4f8223b78f8616ec7f4a02c38988eae627d2","name":"https://git.kernel.org/stable/c/68ce4f8223b78f8616ec7f4a02c38988eae627d2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fceac25487b21d6db940d2aed368e465d89cd1f4","name":"https://git.kernel.org/stable/c/fceac25487b21d6db940d2aed368e465d89cd1f4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4a672bff99f6b58dde419fd12b3a53da137f032d","name":"https://git.kernel.org/stable/c/4a672bff99f6b58dde419fd12b3a53da137f032d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/28f70e0aa767a8f022c70ed75ecef227dc668121","name":"https://git.kernel.org/stable/c/28f70e0aa767a8f022c70ed75ecef227dc668121","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7fd28093b3effc4f92566466df364622830ec608","name":"https://git.kernel.org/stable/c/7fd28093b3effc4f92566466df364622830ec608","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93273","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93273","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8 28f70e0aa767a8f022c70ed75ecef227dc668121 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8 4a672bff99f6b58dde419fd12b3a53da137f032d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8 68ce4f8223b78f8616ec7f4a02c38988eae627d2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8 fceac25487b21d6db940d2aed368e465d89cd1f4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8 7fd28093b3effc4f92566466df364622830ec608 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.5","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.5 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/regulator/tps6594-regulator.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"28f70e0aa767a8f022c70ed75ecef227dc668121","status":"affected","version":"f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8","versionType":"git"},{"lessThan":"4a672bff99f6b58dde419fd12b3a53da137f032d","status":"affected","version":"f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8","versionType":"git"},{"lessThan":"68ce4f8223b78f8616ec7f4a02c38988eae627d2","status":"affected","version":"f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8","versionType":"git"},{"lessThan":"fceac25487b21d6db940d2aed368e465d89cd1f4","status":"affected","version":"f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8","versionType":"git"},{"lessThan":"7fd28093b3effc4f92566466df364622830ec608","status":"affected","version":"f17ccc5deb4d024bb52fd3433471e77ab7ae9ad8","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/regulator/tps6594-regulator.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.5"},{"lessThan":"6.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"6.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"6.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"6.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"6.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: tps6594: Fix device node reference leaks in multiphase loop\n\nIn tps6594_regulator_probe(), the multi-phase configuration loop calls\nof_find_node_by_name() to find buck nodes by name, and of_get_parent()\ntwice to navigate to the PMIC parent node. None of the acquired node\nreferences (np, intermediate parent, np_pmic_parent) are ever released\nvia of_node_put(), causing a reference leak on every loop iteration.\n\nAdditionally, of_find_node_by_name() can return NULL, but the result was\nimmediately passed to of_node_full_name() and of_get_parent() without a\nNULL check, which could lead to a NULL pointer dereference.\n\nFix this by:\n- Adding a NULL check for np after of_find_node_by_name()\n- Storing the intermediate parent node in a local variable np_parent\n- Calling of_node_put() on np, np_parent and np_pmic_parent at the\n  end of each loop iteration"}],"providerMetadata":{"dateUpdated":"2026-09-24T15:52:15.213Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/28f70e0aa767a8f022c70ed75ecef227dc668121"},{"url":"https://git.kernel.org/stable/c/4a672bff99f6b58dde419fd12b3a53da137f032d"},{"url":"https://git.kernel.org/stable/c/68ce4f8223b78f8616ec7f4a02c38988eae627d2"},{"url":"https://git.kernel.org/stable/c/fceac25487b21d6db940d2aed368e465d89cd1f4"},{"url":"https://git.kernel.org/stable/c/7fd28093b3effc4f92566466df364622830ec608"}],"title":"regulator: tps6594: Fix device node reference leaks in multiphase loop","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93273","datePublished":"2026-09-24T15:52:15.213Z","dateReserved":"2026-09-17T16:02:15.098Z","dateUpdated":"2026-09-24T15:52:15.213Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 16:17:24","lastModifiedDate":"2026-09-24 16:17:24","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93273","Ordinal":"1","Title":"regulator: tps6594: Fix device node reference leaks in multiphas","CVE":"CVE-2026-93273","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93273","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: tps6594: Fix device node reference leaks in multiphase loop\n\nIn tps6594_regulator_probe(), the multi-phase configuration loop calls\nof_find_node_by_name() to find buck nodes by name, and of_get_parent()\ntwice to navigate to the PMIC parent node. None of the acquired node\nreferences (np, intermediate parent, np_pmic_parent) are ever released\nvia of_node_put(), causing a reference leak on every loop iteration.\n\nAdditionally, of_find_node_by_name() can return NULL, but the result was\nimmediately passed to of_node_full_name() and of_get_parent() without a\nNULL check, which could lead to a NULL pointer dereference.\n\nFix this by:\n- Adding a NULL check for np after of_find_node_by_name()\n- Storing the intermediate parent node in a local variable np_parent\n- Calling of_node_put() on np, np_parent and np_pmic_parent at the\n  end of each loop iteration","Type":"Description","Title":"regulator: tps6594: Fix device node reference leaks in multiphas"}]}}}