{"id":"CVE-2026-72214","summary":"power: supply: cpcap-battery: Fix missing nvmem_device_put() causing reference leak","details":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: cpcap-battery: Fix missing nvmem_device_put() causing reference leak\n\nIn cpcap_battery_detect_battery_type(), the reference to an nvmem\ndevice obtained via nvmem_device_find() is not released with\nnvmem_device_put() on the success or read-failure paths, causing a\npermanent reference leak. The driver’s retry logic on subsequent\nbattery property reads can compound this leak, preventing the nvmem\ndevice from ever being freed.\n\nFound by code review.","modified":"2026-08-18T03:30:58.903090530Z","published":"2026-08-15T05:54:08.602Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72214.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/700c225d829a1256b59053c34a1a9d1a6ab70b09"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a2c14ff63e0e02e3c832385e523e9cc81301171c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a3d81de441233a92ec21469cd0c4eb3c26b95cd8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b56a5cbf8f1f1a5740f1137c89b14d0373309d8d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/deaf6b3f8187231ad8f7770b10ed0be2cd47e9b2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fc65520fe0781a1ff46631f111e07b4a1c677b96"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72214.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72214"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"fd46821e85de90fb5b7356251164af4815b6e3f6"},{"fixed":"fc65520fe0781a1ff46631f111e07b4a1c677b96"},{"fixed":"700c225d829a1256b59053c34a1a9d1a6ab70b09"},{"fixed":"deaf6b3f8187231ad8f7770b10ed0be2cd47e9b2"},{"fixed":"a3d81de441233a92ec21469cd0c4eb3c26b95cd8"},{"fixed":"b56a5cbf8f1f1a5740f1137c89b14d0373309d8d"},{"fixed":"a2c14ff63e0e02e3c832385e523e9cc81301171c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72214.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.18.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72214.json"}}],"schema_version":"1.9.0"}