{"api_version":"1","generated_at":"2026-05-28T04:23:38+00:00","cve":"CVE-2026-45936","urls":{"html":"https://cve.report/CVE-2026-45936","api":"https://cve.report/api/cve/CVE-2026-45936.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45936","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45936"},"summary":{"title":"power: supply: goldfish: Fix use-after-free in power_supply_changed()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: goldfish: 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 14:17:09","updated_at":"2026-05-27 14:48:03"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/0b29ffe4090a3fc7a7649de20e1eb1e53adddac7","name":"https://git.kernel.org/stable/c/0b29ffe4090a3fc7a7649de20e1eb1e53adddac7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8c89aade8335e26a6a7dcda18992d15f51943927","name":"https://git.kernel.org/stable/c/8c89aade8335e26a6a7dcda18992d15f51943927","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/589d4fe56713c6344cd9f8939f9c7621c85f0966","name":"https://git.kernel.org/stable/c/589d4fe56713c6344cd9f8939f9c7621c85f0966","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/77ea437faa4c06362e3ecfd2d7264eaa7ac1e82c","name":"https://git.kernel.org/stable/c/77ea437faa4c06362e3ecfd2d7264eaa7ac1e82c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bad8b61eb5059acd88349680e47839342dc89e94","name":"https://git.kernel.org/stable/c/bad8b61eb5059acd88349680e47839342dc89e94","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/33751e28842bf5aee5ef7b2b8d5e456a069095cb","name":"https://git.kernel.org/stable/c/33751e28842bf5aee5ef7b2b8d5e456a069095cb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b2ce982e2e0c888dc55c888ad0e20ea04daf2e6b","name":"https://git.kernel.org/stable/c/b2ce982e2e0c888dc55c888ad0e20ea04daf2e6b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4350505e82b4f972ddb788e1c712c557c38859d0","name":"https://git.kernel.org/stable/c/4350505e82b4f972ddb788e1c712c557c38859d0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45936","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45936","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 84d7b768748943db2bb658b43931fdab04c224cc 589d4fe56713c6344cd9f8939f9c7621c85f0966 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 84d7b768748943db2bb658b43931fdab04c224cc bad8b61eb5059acd88349680e47839342dc89e94 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 84d7b768748943db2bb658b43931fdab04c224cc 33751e28842bf5aee5ef7b2b8d5e456a069095cb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 84d7b768748943db2bb658b43931fdab04c224cc 77ea437faa4c06362e3ecfd2d7264eaa7ac1e82c 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 * 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/goldfish_battery.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"589d4fe56713c6344cd9f8939f9c7621c85f0966","status":"affected","version":"84d7b768748943db2bb658b43931fdab04c224cc","versionType":"git"},{"lessThan":"bad8b61eb5059acd88349680e47839342dc89e94","status":"affected","version":"84d7b768748943db2bb658b43931fdab04c224cc","versionType":"git"},{"lessThan":"33751e28842bf5aee5ef7b2b8d5e456a069095cb","status":"affected","version":"84d7b768748943db2bb658b43931fdab04c224cc","versionType":"git"},{"lessThan":"77ea437faa4c06362e3ecfd2d7264eaa7ac1e82c","status":"affected","version":"84d7b768748943db2bb658b43931fdab04c224cc","versionType":"git"},{"lessThan":"4350505e82b4f972ddb788e1c712c557c38859d0","status":"affected","version":"84d7b768748943db2bb658b43931fdab04c224cc","versionType":"git"},{"lessThan":"8c89aade8335e26a6a7dcda18992d15f51943927","status":"affected","version":"84d7b768748943db2bb658b43931fdab04c224cc","versionType":"git"},{"lessThan":"0b29ffe4090a3fc7a7649de20e1eb1e53adddac7","status":"affected","version":"84d7b768748943db2bb658b43931fdab04c224cc","versionType":"git"},{"lessThan":"b2ce982e2e0c888dc55c888ad0e20ea04daf2e6b","status":"affected","version":"84d7b768748943db2bb658b43931fdab04c224cc","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/power/supply/goldfish_battery.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.9"},{"lessThan":"3.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.252","versionStartIncluding":"3.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.202","versionStartIncluding":"3.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.165","versionStartIncluding":"3.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.128","versionStartIncluding":"3.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.75","versionStartIncluding":"3.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.14","versionStartIncluding":"3.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.4","versionStartIncluding":"3.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"3.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: goldfish: 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":"2026-05-27T12:17:53.451Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/589d4fe56713c6344cd9f8939f9c7621c85f0966"},{"url":"https://git.kernel.org/stable/c/bad8b61eb5059acd88349680e47839342dc89e94"},{"url":"https://git.kernel.org/stable/c/33751e28842bf5aee5ef7b2b8d5e456a069095cb"},{"url":"https://git.kernel.org/stable/c/77ea437faa4c06362e3ecfd2d7264eaa7ac1e82c"},{"url":"https://git.kernel.org/stable/c/4350505e82b4f972ddb788e1c712c557c38859d0"},{"url":"https://git.kernel.org/stable/c/8c89aade8335e26a6a7dcda18992d15f51943927"},{"url":"https://git.kernel.org/stable/c/0b29ffe4090a3fc7a7649de20e1eb1e53adddac7"},{"url":"https://git.kernel.org/stable/c/b2ce982e2e0c888dc55c888ad0e20ea04daf2e6b"}],"title":"power: supply: goldfish: 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-2026-45936","datePublished":"2026-05-27T12:17:53.451Z","dateReserved":"2026-05-13T15:03:33.086Z","dateUpdated":"2026-05-27T12:17:53.451Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 14:17:09","lastModifiedDate":"2026-05-27 14:48:03","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45936","Ordinal":"1","Title":"power: supply: goldfish: Fix use-after-free in power_supply_chan","CVE":"CVE-2026-45936","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45936","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: goldfish: 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: goldfish: Fix use-after-free in power_supply_chan"}]}}}