{"api_version":"1","generated_at":"2026-05-28T04:24:02+00:00","cve":"CVE-2026-45938","urls":{"html":"https://cve.report/CVE-2026-45938","api":"https://cve.report/api/cve/CVE-2026-45938.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45938","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45938"},"summary":{"title":"power: supply: pm8916_lbc: Fix use-after-free in power_supply_changed()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: pm8916_lbc: 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/dbe579e620ef0f53db490ec79a8566e4ea8918ac","name":"https://git.kernel.org/stable/c/dbe579e620ef0f53db490ec79a8566e4ea8918ac","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b7508129978ae1e2ed9b0410396abc05def9c4eb","name":"https://git.kernel.org/stable/c/b7508129978ae1e2ed9b0410396abc05def9c4eb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/08e674e9862a2db46fb234eb7c5442455ece0131","name":"https://git.kernel.org/stable/c/08e674e9862a2db46fb234eb7c5442455ece0131","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d7d31fc99d248d5f47588f50dce5c7599c991c6a","name":"https://git.kernel.org/stable/c/d7d31fc99d248d5f47588f50dce5c7599c991c6a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45938","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45938","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f8d7a3d21160a0cab4d15b81231f2a76b0fcee13 dbe579e620ef0f53db490ec79a8566e4ea8918ac git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f8d7a3d21160a0cab4d15b81231f2a76b0fcee13 08e674e9862a2db46fb234eb7c5442455ece0131 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f8d7a3d21160a0cab4d15b81231f2a76b0fcee13 d7d31fc99d248d5f47588f50dce5c7599c991c6a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f8d7a3d21160a0cab4d15b81231f2a76b0fcee13 b7508129978ae1e2ed9b0410396abc05def9c4eb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.7 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/pm8916_lbc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"dbe579e620ef0f53db490ec79a8566e4ea8918ac","status":"affected","version":"f8d7a3d21160a0cab4d15b81231f2a76b0fcee13","versionType":"git"},{"lessThan":"08e674e9862a2db46fb234eb7c5442455ece0131","status":"affected","version":"f8d7a3d21160a0cab4d15b81231f2a76b0fcee13","versionType":"git"},{"lessThan":"d7d31fc99d248d5f47588f50dce5c7599c991c6a","status":"affected","version":"f8d7a3d21160a0cab4d15b81231f2a76b0fcee13","versionType":"git"},{"lessThan":"b7508129978ae1e2ed9b0410396abc05def9c4eb","status":"affected","version":"f8d7a3d21160a0cab4d15b81231f2a76b0fcee13","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/power/supply/pm8916_lbc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","status":"unaffected","version":"0","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":"6.12.75","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.14","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.4","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: pm8916_lbc: 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":"2026-05-27T12:17:54.812Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/dbe579e620ef0f53db490ec79a8566e4ea8918ac"},{"url":"https://git.kernel.org/stable/c/08e674e9862a2db46fb234eb7c5442455ece0131"},{"url":"https://git.kernel.org/stable/c/d7d31fc99d248d5f47588f50dce5c7599c991c6a"},{"url":"https://git.kernel.org/stable/c/b7508129978ae1e2ed9b0410396abc05def9c4eb"}],"title":"power: supply: pm8916_lbc: 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-2026-45938","datePublished":"2026-05-27T12:17:54.812Z","dateReserved":"2026-05-13T15:03:33.087Z","dateUpdated":"2026-05-27T12:17:54.812Z","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":"45938","Ordinal":"1","Title":"power: supply: pm8916_lbc: Fix use-after-free in power_supply_ch","CVE":"CVE-2026-45938","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45938","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: pm8916_lbc: 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: pm8916_lbc: Fix use-after-free in power_supply_ch"}]}}}