{"api_version":"1","generated_at":"2026-07-23T12:34:36+00:00","cve":"CVE-2026-45879","urls":{"html":"https://cve.report/CVE-2026-45879","api":"https://cve.report/api/cve/CVE-2026-45879.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45879","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45879"},"summary":{"title":"power: supply: bq25980: Fix use-after-free in power_supply_changed()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq25980: Fix use-after-free in power_supply_changed()\n\nUsing the `devm_` variant for requesting IRQ _before_ the `devm_`\nvariant for allocating/registering the `power_supply` handle, means that\nthe `power_supply` handle will be deallocated/unregistered _before_ the\ninterrupt handler (since `devm_` naturally deallocates in reverse\nallocation order). This means that during removal, there is a race\ncondition where an interrupt can fire just _after_ the `power_supply`\nhandle has been freed, *but* just _before_ the corresponding\nunregistration of the IRQ handler has run.\n\nThis will lead to the IRQ handler calling `power_supply_changed()` with\na freed `power_supply` handle. Which usually crashes the system or\notherwise silently corrupts the memory...\n\nNote that there is a similar situation which can also happen during\n`probe()`; the possibility of an interrupt firing _before_ registering\nthe `power_supply` handle. This would then lead to the nasty situation\nof using the `power_supply` handle *uninitialized* in\n`power_supply_changed()`.\n\nFix this racy use-after-free by making sure the IRQ is requested _after_\nthe registration of the `power_supply` handle.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-27 14:17:01","updated_at":"2026-06-25 21:12:07"},"problem_types":["CWE-416"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/4aeaf03c17260415c2fdd55992f9ad4188d5455a","name":"https://git.kernel.org/stable/c/4aeaf03c17260415c2fdd55992f9ad4188d5455a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/abea607ff2f62f4c0a5fb29f7fbdaaab163276a4","name":"https://git.kernel.org/stable/c/abea607ff2f62f4c0a5fb29f7fbdaaab163276a4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0de95d29d847c6217b7d5845e24a71a4aee7b359","name":"https://git.kernel.org/stable/c/0de95d29d847c6217b7d5845e24a71a4aee7b359","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/16875e3b7bc9e59bfa0acaf1e43f275a6f42a30f","name":"https://git.kernel.org/stable/c/16875e3b7bc9e59bfa0acaf1e43f275a6f42a30f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/86f93dfb23f5bf4f285c4256a7e909d222f7de56","name":"https://git.kernel.org/stable/c/86f93dfb23f5bf4f285c4256a7e909d222f7de56","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5f0b1cb41906e86b64bf69f5ededb83b0d757c27","name":"https://git.kernel.org/stable/c/5f0b1cb41906e86b64bf69f5ededb83b0d757c27","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/03d1e4ee4e6aa6d2966e883e4ca0e5be73bf1b7c","name":"https://git.kernel.org/stable/c/03d1e4ee4e6aa6d2966e883e4ca0e5be73bf1b7c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0560a4b09c92e2ecaa883965cf6f9ca51c158ff9","name":"https://git.kernel.org/stable/c/0560a4b09c92e2ecaa883965cf6f9ca51c158ff9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45879","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45879","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5069185fc18e810715a91d80fcd075e03add600c 86f93dfb23f5bf4f285c4256a7e909d222f7de56 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5069185fc18e810715a91d80fcd075e03add600c 16875e3b7bc9e59bfa0acaf1e43f275a6f42a30f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5069185fc18e810715a91d80fcd075e03add600c 0560a4b09c92e2ecaa883965cf6f9ca51c158ff9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5069185fc18e810715a91d80fcd075e03add600c 0de95d29d847c6217b7d5845e24a71a4aee7b359 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.202 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.165 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.128 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.75 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.14 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.4 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * 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the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq25980: Fix use-after-free in power_supply_changed()\n\nUsing the `devm_` variant for requesting IRQ _before_ the `devm_`\nvariant for allocating/registering the `power_supply` handle, means that\nthe `power_supply` handle will be deallocated/unregistered _before_ the\ninterrupt handler (since `devm_` naturally deallocates in reverse\nallocation order). This means that during removal, there is a race\ncondition where an interrupt can fire just _after_ the `power_supply`\nhandle has been freed, *but* just _before_ the corresponding\nunregistration of the IRQ handler has run.\n\nThis will lead to the IRQ handler calling `power_supply_changed()` with\na freed `power_supply` handle. Which usually crashes the system or\notherwise silently corrupts the memory...\n\nNote that there is a similar situation which can also happen during\n`probe()`; the possibility of an interrupt firing _before_ registering\nthe `power_supply` handle. This would then lead to the nasty situation\nof using the `power_supply` handle *uninitialized* in\n`power_supply_changed()`.\n\nFix this racy use-after-free by making sure the IRQ is requested _after_\nthe registration of the `power_supply` handle."}],"providerMetadata":{"dateUpdated":"2026-05-27T12:16:50.137Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/86f93dfb23f5bf4f285c4256a7e909d222f7de56"},{"url":"https://git.kernel.org/stable/c/16875e3b7bc9e59bfa0acaf1e43f275a6f42a30f"},{"url":"https://git.kernel.org/stable/c/0560a4b09c92e2ecaa883965cf6f9ca51c158ff9"},{"url":"https://git.kernel.org/stable/c/0de95d29d847c6217b7d5845e24a71a4aee7b359"},{"url":"https://git.kernel.org/stable/c/4aeaf03c17260415c2fdd55992f9ad4188d5455a"},{"url":"https://git.kernel.org/stable/c/03d1e4ee4e6aa6d2966e883e4ca0e5be73bf1b7c"},{"url":"https://git.kernel.org/stable/c/abea607ff2f62f4c0a5fb29f7fbdaaab163276a4"},{"url":"https://git.kernel.org/stable/c/5f0b1cb41906e86b64bf69f5ededb83b0d757c27"}],"title":"power: supply: bq25980: Fix use-after-free in power_supply_changed()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-45879","datePublished":"2026-05-27T12:16:50.137Z","dateReserved":"2026-05-13T15:03:33.081Z","dateUpdated":"2026-05-27T12:16:50.137Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 14:17:01","lastModifiedDate":"2026-06-25 21:12:07","problem_types":["CWE-416"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.10.252","matchCriteriaId":"FB2C2DAE-FC61-4054-BF05-406CAE1F7C71"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.202","matchCriteriaId":"4002FC2B-1456-4666-B240-0EBF590C4671"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.165","matchCriteriaId":"797C7F46-D0BE-4FB8-A502-C5EF8E6B6654"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.128","matchCriteriaId":"851E9353-6C09-4CC9-877E-E09DB164A3C2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.75","matchCriteriaId":"BCE16369-98ED-41CF-8995-DFDC10B288D2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.14","matchCriteriaId":"BF463CB7-1F58-4607-B847-77ED23E4B9B7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.4","matchCriteriaId":"672A3E79-EC03-479D-8503-361DFBDC8092"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45879","Ordinal":"1","Title":"power: supply: bq25980: Fix use-after-free in power_supply_chang","CVE":"CVE-2026-45879","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45879","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq25980: Fix use-after-free in power_supply_changed()\n\nUsing the `devm_` variant for requesting IRQ _before_ the `devm_`\nvariant for allocating/registering the `power_supply` handle, means that\nthe `power_supply` handle will be deallocated/unregistered _before_ the\ninterrupt handler (since `devm_` naturally deallocates in reverse\nallocation order). This means that during removal, there is a race\ncondition where an interrupt can fire just _after_ the `power_supply`\nhandle has been freed, *but* just _before_ the corresponding\nunregistration of the IRQ handler has run.\n\nThis will lead to the IRQ handler calling `power_supply_changed()` with\na freed `power_supply` handle. Which usually crashes the system or\notherwise silently corrupts the memory...\n\nNote that there is a similar situation which can also happen during\n`probe()`; the possibility of an interrupt firing _before_ registering\nthe `power_supply` handle. This would then lead to the nasty situation\nof using the `power_supply` handle *uninitialized* in\n`power_supply_changed()`.\n\nFix this racy use-after-free by making sure the IRQ is requested _after_\nthe registration of the `power_supply` handle.","Type":"Description","Title":"power: supply: bq25980: Fix use-after-free in power_supply_chang"}]}}}