227 lines
11 KiB
JSON
227 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-45902",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-05-13T15:03:33.084Z",
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"datePublished": "2026-05-27T12:17:10.508Z",
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"dateUpdated": "2026-05-27T12:17:10.508Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-27T12:17:10.508Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq256xx: 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."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/power/supply/bq256xx_charger.c"
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],
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"versions": [
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{
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"version": "32e4978bb920d047fe5de3ea42d176f267c01f63",
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"lessThan": "81d3688c9a2158329391e08f2d0b8ba204216044",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "32e4978bb920d047fe5de3ea42d176f267c01f63",
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"lessThan": "74b5a88318db97d51bb40f774736553c2acd1514",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "32e4978bb920d047fe5de3ea42d176f267c01f63",
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"lessThan": "cb5c743936edcebc51880eeb6bf04979b5c9438b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "32e4978bb920d047fe5de3ea42d176f267c01f63",
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"lessThan": "83c27fdd696ac13d023ef7a0345301be93209c53",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "32e4978bb920d047fe5de3ea42d176f267c01f63",
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"lessThan": "4b6fb0b6124f558131e502e3ffd03e6583b3ace6",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "32e4978bb920d047fe5de3ea42d176f267c01f63",
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"lessThan": "8796910131a32ff29275052df768ef022929a394",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "32e4978bb920d047fe5de3ea42d176f267c01f63",
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"lessThan": "8005843369723d9c8975b7c4202d1b85d6125302",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/power/supply/bq256xx_charger.c"
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],
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"versions": [
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{
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"version": "5.12",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.12",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.202",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.165",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.128",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.75",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.14",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.19.4",
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"lessThanOrEqual": "6.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.0",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.12",
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"versionEndExcluding": "5.15.202"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.12",
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"versionEndExcluding": "6.1.165"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.12",
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"versionEndExcluding": "6.6.128"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.12",
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"versionEndExcluding": "6.12.75"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.12",
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"versionEndExcluding": "6.18.14"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.12",
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"versionEndExcluding": "6.19.4"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.12",
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"versionEndExcluding": "7.0"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/81d3688c9a2158329391e08f2d0b8ba204216044"
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},
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{
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"url": "https://git.kernel.org/stable/c/74b5a88318db97d51bb40f774736553c2acd1514"
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},
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{
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"url": "https://git.kernel.org/stable/c/cb5c743936edcebc51880eeb6bf04979b5c9438b"
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},
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{
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"url": "https://git.kernel.org/stable/c/83c27fdd696ac13d023ef7a0345301be93209c53"
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},
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{
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"url": "https://git.kernel.org/stable/c/4b6fb0b6124f558131e502e3ffd03e6583b3ace6"
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},
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{
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"url": "https://git.kernel.org/stable/c/8796910131a32ff29275052df768ef022929a394"
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},
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{
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"url": "https://git.kernel.org/stable/c/8005843369723d9c8975b7c4202d1b85d6125302"
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}
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],
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"title": "power: supply: bq256xx: Fix use-after-free in power_supply_changed()",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |