{"api_version":"1","generated_at":"2026-06-04T01:00:42+00:00","cve":"CVE-2026-46270","urls":{"html":"https://cve.report/CVE-2026-46270","api":"https://cve.report/api/cve/CVE-2026-46270.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46270","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46270"},"summary":{"title":"power: supply: rt9455: Fix use-after-free in power_supply_changed()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: rt9455: 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":"2026-06-03 18:16:28","updated_at":"2026-06-03 18:16:28"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/721449a15170fc5f028a7576d7f65b9f60d53482","name":"https://git.kernel.org/stable/c/721449a15170fc5f028a7576d7f65b9f60d53482","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2178dc65d45e2f7bcaa8af8d80d100419bdab251","name":"https://git.kernel.org/stable/c/2178dc65d45e2f7bcaa8af8d80d100419bdab251","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/af261f218a7606f93d2c786353d60bb4feb56ef0","name":"https://git.kernel.org/stable/c/af261f218a7606f93d2c786353d60bb4feb56ef0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a39f8f06216f73ef40e71e2fe4ad071964c1fd36","name":"https://git.kernel.org/stable/c/a39f8f06216f73ef40e71e2fe4ad071964c1fd36","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/62d753b916bd500bb269b7078cdab73198ab4718","name":"https://git.kernel.org/stable/c/62d753b916bd500bb269b7078cdab73198ab4718","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/64e15155095f39f4dec9b4659da1238ef8fc54d4","name":"https://git.kernel.org/stable/c/64e15155095f39f4dec9b4659da1238ef8fc54d4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d4e2e3c3caa26b93aa9f36d0a6824b584e2a8dfc","name":"https://git.kernel.org/stable/c/d4e2e3c3caa26b93aa9f36d0a6824b584e2a8dfc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e2febe375e5ea5afed92f4cd9711bde8f24ee6d2","name":"https://git.kernel.org/stable/c/e2febe375e5ea5afed92f4cd9711bde8f24ee6d2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46270","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46270","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e86d69dd786e94046b8f5be7df1b9a8226a40b2a d4e2e3c3caa26b93aa9f36d0a6824b584e2a8dfc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e86d69dd786e94046b8f5be7df1b9a8226a40b2a 62d753b916bd500bb269b7078cdab73198ab4718 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e86d69dd786e94046b8f5be7df1b9a8226a40b2a a39f8f06216f73ef40e71e2fe4ad071964c1fd36 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e86d69dd786e94046b8f5be7df1b9a8226a40b2a af261f218a7606f93d2c786353d60bb4feb56ef0 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/rt9455_charger.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d4e2e3c3caa26b93aa9f36d0a6824b584e2a8dfc","status":"affected","version":"e86d69dd786e94046b8f5be7df1b9a8226a40b2a","versionType":"git"},{"lessThan":"62d753b916bd500bb269b7078cdab73198ab4718","status":"affected","version":"e86d69dd786e94046b8f5be7df1b9a8226a40b2a","versionType":"git"},{"lessThan":"a39f8f06216f73ef40e71e2fe4ad071964c1fd36","status":"affected","version":"e86d69dd786e94046b8f5be7df1b9a8226a40b2a","versionType":"git"},{"lessThan":"af261f218a7606f93d2c786353d60bb4feb56ef0","status":"affected","version":"e86d69dd786e94046b8f5be7df1b9a8226a40b2a","versionType":"git"},{"lessThan":"2178dc65d45e2f7bcaa8af8d80d100419bdab251","status":"affected","version":"e86d69dd786e94046b8f5be7df1b9a8226a40b2a","versionType":"git"},{"lessThan":"64e15155095f39f4dec9b4659da1238ef8fc54d4","status":"affected","version":"e86d69dd786e94046b8f5be7df1b9a8226a40b2a","versionType":"git"},{"lessThan":"721449a15170fc5f028a7576d7f65b9f60d53482","status":"affected","version":"e86d69dd786e94046b8f5be7df1b9a8226a40b2a","versionType":"git"},{"lessThan":"e2febe375e5ea5afed92f4cd9711bde8f24ee6d2","status":"affected","version":"e86d69dd786e94046b8f5be7df1b9a8226a40b2a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/power/supply/rt9455_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":"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":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.202","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.165","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.128","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.75","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.14","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.4","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","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: rt9455: 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":"2026-06-03T15:50:12.537Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d4e2e3c3caa26b93aa9f36d0a6824b584e2a8dfc"},{"url":"https://git.kernel.org/stable/c/62d753b916bd500bb269b7078cdab73198ab4718"},{"url":"https://git.kernel.org/stable/c/a39f8f06216f73ef40e71e2fe4ad071964c1fd36"},{"url":"https://git.kernel.org/stable/c/af261f218a7606f93d2c786353d60bb4feb56ef0"},{"url":"https://git.kernel.org/stable/c/2178dc65d45e2f7bcaa8af8d80d100419bdab251"},{"url":"https://git.kernel.org/stable/c/64e15155095f39f4dec9b4659da1238ef8fc54d4"},{"url":"https://git.kernel.org/stable/c/721449a15170fc5f028a7576d7f65b9f60d53482"},{"url":"https://git.kernel.org/stable/c/e2febe375e5ea5afed92f4cd9711bde8f24ee6d2"}],"title":"power: supply: rt9455: 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-2026-46270","datePublished":"2026-06-03T15:50:12.537Z","dateReserved":"2026-05-13T15:03:33.109Z","dateUpdated":"2026-06-03T15:50:12.537Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-03 18:16:28","lastModifiedDate":"2026-06-03 18:16:28","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46270","Ordinal":"1","Title":"power: supply: rt9455: Fix use-after-free in power_supply_change","CVE":"CVE-2026-46270","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46270","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: rt9455: 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: rt9455: Fix use-after-free in power_supply_change"}]}}}