{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45885", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.082Z", "datePublished": "2026-05-27T12:16:57.246Z", "dateUpdated": "2026-05-27T12:16:57.246Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:16:57.246Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: cpcap-battery: 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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/power/supply/cpcap-battery.c"], "versions": [{"version": "874b2adbed1253a11549cb9b7b912ab65fea9cf2", "lessThan": "c549dd3de4b3f6e726d1b8386d40ccf7d3abdbe4", "status": "affected", "versionType": "git"}, {"version": "874b2adbed1253a11549cb9b7b912ab65fea9cf2", "lessThan": "3ff75cba1c98349a23a8f9333981deba1972cc11", "status": "affected", "versionType": "git"}, {"version": "874b2adbed1253a11549cb9b7b912ab65fea9cf2", "lessThan": "2ce2334be155bd8bad6377e99984246ce4dbd08c", "status": "affected", "versionType": "git"}, {"version": "874b2adbed1253a11549cb9b7b912ab65fea9cf2", "lessThan": "cbb9b07f88a9ef6518934c41eb3e8cf840d657d5", "status": "affected", "versionType": "git"}, {"version": "874b2adbed1253a11549cb9b7b912ab65fea9cf2", "lessThan": "f3fbe309c9bfe1aac1e2b26543e9dc4829f3275a", "status": "affected", "versionType": "git"}, {"version": "874b2adbed1253a11549cb9b7b912ab65fea9cf2", "lessThan": "2841bbb5a35c4449c0a0458e8e476b2a62f95147", "status": "affected", "versionType": "git"}, {"version": "874b2adbed1253a11549cb9b7b912ab65fea9cf2", "lessThan": "e261be6f18929f2397cd54cd583a2df624c129c1", "status": "affected", "versionType": "git"}, {"version": "874b2adbed1253a11549cb9b7b912ab65fea9cf2", "lessThan": "642f33e34b969eedec334738fd5df95d2dc42742", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/power/supply/cpcap-battery.c"], "versions": [{"version": "4.13", "status": "affected"}, {"version": "0", "lessThan": "4.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.13", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c549dd3de4b3f6e726d1b8386d40ccf7d3abdbe4"}, {"url": "https://git.kernel.org/stable/c/3ff75cba1c98349a23a8f9333981deba1972cc11"}, {"url": "https://git.kernel.org/stable/c/2ce2334be155bd8bad6377e99984246ce4dbd08c"}, {"url": "https://git.kernel.org/stable/c/cbb9b07f88a9ef6518934c41eb3e8cf840d657d5"}, {"url": "https://git.kernel.org/stable/c/f3fbe309c9bfe1aac1e2b26543e9dc4829f3275a"}, {"url": "https://git.kernel.org/stable/c/2841bbb5a35c4449c0a0458e8e476b2a62f95147"}, {"url": "https://git.kernel.org/stable/c/e261be6f18929f2397cd54cd583a2df624c129c1"}, {"url": "https://git.kernel.org/stable/c/642f33e34b969eedec334738fd5df95d2dc42742"}], "title": "power: supply: cpcap-battery: Fix use-after-free in power_supply_changed()", "x_generator": {"engine": "bippy-1.2.0"}}}}