{"api_version":"1","generated_at":"2026-09-12T10:56:37+00:00","cve":"CVE-2026-89473","urls":{"html":"https://cve.report/CVE-2026-89473","api":"https://cve.report/api/cve/CVE-2026-89473.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89473","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89473"},"summary":{"title":"power: supply: bq25890: Fix power_supply reference leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq25890: Fix power_supply reference leak\n\nbq25890_fw_probe() acquires a reference to a secondary charger using\npower_supply_get_by_name(), but the reference is not released on later\nprobe failures or on driver detach.\n\nIn particular, failures after bq25890_fw_probe() returns successfully,\nsuch as a failure in bq25890_hw_init(), also leak the reference.\n\nRegister a device-managed cleanup action immediately after acquiring\nthe secondary charger. This releases the reference on all subsequent\nprobe failures and on driver detach.\n\nFound by code review.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:19:28","updated_at":"2026-09-11 20:19:28"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/863c32a83e4235eb0cbf6106f2b124e645302156","name":"https://git.kernel.org/stable/c/863c32a83e4235eb0cbf6106f2b124e645302156","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/81b558afda9321c1a70971a39071d156f3e26950","name":"https://git.kernel.org/stable/c/81b558afda9321c1a70971a39071d156f3e26950","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/58f1025eca92734eadc063715b98f62538286468","name":"https://git.kernel.org/stable/c/58f1025eca92734eadc063715b98f62538286468","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/238320ad029a3eedabb86286a28cab55bca629b9","name":"https://git.kernel.org/stable/c/238320ad029a3eedabb86286a28cab55bca629b9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89473","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89473","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d54bf877fd878ee45cbc88d399fb98b0b1c4484d 81b558afda9321c1a70971a39071d156f3e26950 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d54bf877fd878ee45cbc88d399fb98b0b1c4484d 238320ad029a3eedabb86286a28cab55bca629b9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d54bf877fd878ee45cbc88d399fb98b0b1c4484d 58f1025eca92734eadc063715b98f62538286468 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d54bf877fd878ee45cbc88d399fb98b0b1c4484d 863c32a83e4235eb0cbf6106f2b124e645302156 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.3","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.3 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.109 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.50 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 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/power/supply/bq25890_charger.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"81b558afda9321c1a70971a39071d156f3e26950","status":"affected","version":"d54bf877fd878ee45cbc88d399fb98b0b1c4484d","versionType":"git"},{"lessThan":"238320ad029a3eedabb86286a28cab55bca629b9","status":"affected","version":"d54bf877fd878ee45cbc88d399fb98b0b1c4484d","versionType":"git"},{"lessThan":"58f1025eca92734eadc063715b98f62538286468","status":"affected","version":"d54bf877fd878ee45cbc88d399fb98b0b1c4484d","versionType":"git"},{"lessThan":"863c32a83e4235eb0cbf6106f2b124e645302156","status":"affected","version":"d54bf877fd878ee45cbc88d399fb98b0b1c4484d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/power/supply/bq25890_charger.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.3"},{"lessThan":"6.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.109","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.50","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","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":"6.12.109","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq25890: Fix power_supply reference leak\n\nbq25890_fw_probe() acquires a reference to a secondary charger using\npower_supply_get_by_name(), but the reference is not released on later\nprobe failures or on driver detach.\n\nIn particular, failures after bq25890_fw_probe() returns successfully,\nsuch as a failure in bq25890_hw_init(), also leak the reference.\n\nRegister a device-managed cleanup action immediately after acquiring\nthe secondary charger. This releases the reference on all subsequent\nprobe failures and on driver detach.\n\nFound by code review."}],"providerMetadata":{"dateUpdated":"2026-09-11T19:43:31.214Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/81b558afda9321c1a70971a39071d156f3e26950"},{"url":"https://git.kernel.org/stable/c/238320ad029a3eedabb86286a28cab55bca629b9"},{"url":"https://git.kernel.org/stable/c/58f1025eca92734eadc063715b98f62538286468"},{"url":"https://git.kernel.org/stable/c/863c32a83e4235eb0cbf6106f2b124e645302156"}],"title":"power: supply: bq25890: Fix power_supply reference leak","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89473","datePublished":"2026-09-11T19:43:31.214Z","dateReserved":"2026-09-11T19:38:34.710Z","dateUpdated":"2026-09-11T19:43:31.214Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:19:28","lastModifiedDate":"2026-09-11 20:19:28","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89473","Ordinal":"1","Title":"power: supply: bq25890: Fix power_supply reference leak","CVE":"CVE-2026-89473","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89473","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq25890: Fix power_supply reference leak\n\nbq25890_fw_probe() acquires a reference to a secondary charger using\npower_supply_get_by_name(), but the reference is not released on later\nprobe failures or on driver detach.\n\nIn particular, failures after bq25890_fw_probe() returns successfully,\nsuch as a failure in bq25890_hw_init(), also leak the reference.\n\nRegister a device-managed cleanup action immediately after acquiring\nthe secondary charger. This releases the reference on all subsequent\nprobe failures and on driver detach.\n\nFound by code review.","Type":"Description","Title":"power: supply: bq25890: Fix power_supply reference leak"}]}}}