{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72214","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-09T03:40:39.912Z","datePublished":"2026-08-15T05:54:08.602Z","dateUpdated":"2026-08-17T05:10:28.814Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T05:10:28.814Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/cpcap-battery.c"],"versions":[{"version":"fd46821e85de90fb5b7356251164af4815b6e3f6","lessThan":"fc65520fe0781a1ff46631f111e07b4a1c677b96","status":"affected","versionType":"git"},{"version":"fd46821e85de90fb5b7356251164af4815b6e3f6","lessThan":"700c225d829a1256b59053c34a1a9d1a6ab70b09","status":"affected","versionType":"git"},{"version":"fd46821e85de90fb5b7356251164af4815b6e3f6","lessThan":"deaf6b3f8187231ad8f7770b10ed0be2cd47e9b2","status":"affected","versionType":"git"},{"version":"fd46821e85de90fb5b7356251164af4815b6e3f6","lessThan":"a3d81de441233a92ec21469cd0c4eb3c26b95cd8","status":"affected","versionType":"git"},{"version":"fd46821e85de90fb5b7356251164af4815b6e3f6","lessThan":"b56a5cbf8f1f1a5740f1137c89b14d0373309d8d","status":"affected","versionType":"git"},{"version":"fd46821e85de90fb5b7356251164af4815b6e3f6","lessThan":"a2c14ff63e0e02e3c832385e523e9cc81301171c","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/cpcap-battery.c"],"versions":[{"version":"5.18","status":"affected"},{"version":"0","lessThan":"5.18","status":"unaffected","versionType":"semver"},{"version":"6.1.178","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.145","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.97","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.40","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.5","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/fc65520fe0781a1ff46631f111e07b4a1c677b96"},{"url":"https://git.kernel.org/stable/c/700c225d829a1256b59053c34a1a9d1a6ab70b09"},{"url":"https://git.kernel.org/stable/c/deaf6b3f8187231ad8f7770b10ed0be2cd47e9b2"},{"url":"https://git.kernel.org/stable/c/a3d81de441233a92ec21469cd0c4eb3c26b95cd8"},{"url":"https://git.kernel.org/stable/c/b56a5cbf8f1f1a5740f1137c89b14d0373309d8d"},{"url":"https://git.kernel.org/stable/c/a2c14ff63e0e02e3c832385e523e9cc81301171c"}],"title":"power: supply: cpcap-battery: Fix missing nvmem_device_put() causing reference leak","x_generator":{"engine":"bippy-1.2.0"}}}}