{"api_version":"1","generated_at":"2026-09-12T10:56:37+00:00","cve":"CVE-2026-89475","urls":{"html":"https://cve.report/CVE-2026-89475","api":"https://cve.report/api/cve/CVE-2026-89475.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89475","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89475"},"summary":{"title":"power: supply: bq24257: fix use-after-free on remove","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq24257: fix use-after-free on remove\n\nThe STAT-pin interrupt is devm-managed, so it stays armed until the devm\ncleanup that runs after remove() returns. remove() cancels\nbq->iilimit_setup_work while the threaded handler can still fire; that\nhandler reschedules the work and dereferences bq, so the work runs\nagainst freed memory once devm frees bq.\n\nMake the delayed work device-managed with devm_delayed_work_autocancel(),\nregistered before the interrupt request. The devm cleanup then releases\nthe interrupt first, so the handler can no longer reschedule the work,\nand cancels the work before bq is freed. The explicit\ncancel_delayed_work_sync() in remove() is no longer needed and is dropped.\n\nFound by static analysis.","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/f495808cdd6d9576965787cf6d9737d0b0e86b73","name":"https://git.kernel.org/stable/c/f495808cdd6d9576965787cf6d9737d0b0e86b73","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9d34c9d660c3d0931d2cc749c46c47cf31f96e48","name":"https://git.kernel.org/stable/c/9d34c9d660c3d0931d2cc749c46c47cf31f96e48","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/47ccbad210f48721c30d69d65b83dc9fff919ca9","name":"https://git.kernel.org/stable/c/47ccbad210f48721c30d69d65b83dc9fff919ca9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/861ec73ce86e2ca18082cc7be4f140a5bbdf1428","name":"https://git.kernel.org/stable/c/861ec73ce86e2ca18082cc7be4f140a5bbdf1428","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89475","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89475","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2219a935963e5eeb19e5abfb99475fcc06bbb804 861ec73ce86e2ca18082cc7be4f140a5bbdf1428 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2219a935963e5eeb19e5abfb99475fcc06bbb804 f495808cdd6d9576965787cf6d9737d0b0e86b73 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2219a935963e5eeb19e5abfb99475fcc06bbb804 47ccbad210f48721c30d69d65b83dc9fff919ca9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2219a935963e5eeb19e5abfb99475fcc06bbb804 9d34c9d660c3d0931d2cc749c46c47cf31f96e48 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.2 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/bq24257_charger.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"861ec73ce86e2ca18082cc7be4f140a5bbdf1428","status":"affected","version":"2219a935963e5eeb19e5abfb99475fcc06bbb804","versionType":"git"},{"lessThan":"f495808cdd6d9576965787cf6d9737d0b0e86b73","status":"affected","version":"2219a935963e5eeb19e5abfb99475fcc06bbb804","versionType":"git"},{"lessThan":"47ccbad210f48721c30d69d65b83dc9fff919ca9","status":"affected","version":"2219a935963e5eeb19e5abfb99475fcc06bbb804","versionType":"git"},{"lessThan":"9d34c9d660c3d0931d2cc749c46c47cf31f96e48","status":"affected","version":"2219a935963e5eeb19e5abfb99475fcc06bbb804","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/power/supply/bq24257_charger.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.2"},{"lessThan":"4.2","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":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"4.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq24257: fix use-after-free on remove\n\nThe STAT-pin interrupt is devm-managed, so it stays armed until the devm\ncleanup that runs after remove() returns. remove() cancels\nbq->iilimit_setup_work while the threaded handler can still fire; that\nhandler reschedules the work and dereferences bq, so the work runs\nagainst freed memory once devm frees bq.\n\nMake the delayed work device-managed with devm_delayed_work_autocancel(),\nregistered before the interrupt request. The devm cleanup then releases\nthe interrupt first, so the handler can no longer reschedule the work,\nand cancels the work before bq is freed. The explicit\ncancel_delayed_work_sync() in remove() is no longer needed and is dropped.\n\nFound by static analysis."}],"providerMetadata":{"dateUpdated":"2026-09-11T19:43:32.537Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/861ec73ce86e2ca18082cc7be4f140a5bbdf1428"},{"url":"https://git.kernel.org/stable/c/f495808cdd6d9576965787cf6d9737d0b0e86b73"},{"url":"https://git.kernel.org/stable/c/47ccbad210f48721c30d69d65b83dc9fff919ca9"},{"url":"https://git.kernel.org/stable/c/9d34c9d660c3d0931d2cc749c46c47cf31f96e48"}],"title":"power: supply: bq24257: fix use-after-free on remove","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89475","datePublished":"2026-09-11T19:43:32.537Z","dateReserved":"2026-09-11T19:38:34.710Z","dateUpdated":"2026-09-11T19:43:32.537Z","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":"89475","Ordinal":"1","Title":"power: supply: bq24257: fix use-after-free on remove","CVE":"CVE-2026-89475","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89475","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq24257: fix use-after-free on remove\n\nThe STAT-pin interrupt is devm-managed, so it stays armed until the devm\ncleanup that runs after remove() returns. remove() cancels\nbq->iilimit_setup_work while the threaded handler can still fire; that\nhandler reschedules the work and dereferences bq, so the work runs\nagainst freed memory once devm frees bq.\n\nMake the delayed work device-managed with devm_delayed_work_autocancel(),\nregistered before the interrupt request. The devm cleanup then releases\nthe interrupt first, so the handler can no longer reschedule the work,\nand cancels the work before bq is freed. The explicit\ncancel_delayed_work_sync() in remove() is no longer needed and is dropped.\n\nFound by static analysis.","Type":"Description","Title":"power: supply: bq24257: fix use-after-free on remove"}]}}}