143 lines
7.4 KiB
JSON
143 lines
7.4 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-2023-53166",
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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": "2025-09-15T13:59:19.063Z",
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"datePublished": "2025-09-15T14:03:55.131Z",
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"dateUpdated": "2026-05-11T19:39:32.976Z"
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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": "2026-05-11T19:39:32.976Z"
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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: bq25890: Fix external_power_changed race\n\nbq25890_charger_external_power_changed() dereferences bq->charger,\nwhich gets sets in bq25890_power_supply_init() like this:\n\n bq->charger = devm_power_supply_register(bq->dev, &bq->desc, &psy_cfg);\n\nAs soon as devm_power_supply_register() has called device_add()\nthe external_power_changed callback can get called. So there is a window\nwhere bq25890_charger_external_power_changed() may get called while\nbq->charger has not been set yet leading to a NULL pointer dereference.\n\nThis race hits during boot sometimes on a Lenovo Yoga Book 1 yb1-x90f\nwhen the cht_wcove_pwrsrc (extcon) power_supply is done with detecting\nthe connected charger-type which happens to exactly hit the small window:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000018\n <snip>\n RIP: 0010:__power_supply_is_supplied_by+0xb/0xb0\n <snip>\n Call Trace:\n <TASK>\n __power_supply_get_supplier_property+0x19/0x50\n class_for_each_device+0xb1/0xe0\n power_supply_get_property_from_supplier+0x2e/0x50\n bq25890_charger_external_power_changed+0x38/0x1b0 [bq25890_charger]\n __power_supply_changed_work+0x30/0x40\n class_for_each_device+0xb1/0xe0\n power_supply_changed_work+0x5f/0xe0\n <snip>\n\nFixing this is easy. The external_power_changed callback gets passed\nthe power_supply which will eventually get stored in bq->charger,\nso bq25890_charger_external_power_changed() can simply directly use\nthe passed in psy argument which is always valid."
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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/bq25890_charger.c"
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],
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"versions": [
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{
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"version": "eab25b4f93aa771728127705eb4b235a3b5aad94",
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"lessThan": "72c28207c19c2c46fab8ae994aff25e197fb2949",
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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": "eab25b4f93aa771728127705eb4b235a3b5aad94",
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"lessThan": "9d20fa1982c35697f3f8c4ae0f12791691ae5958",
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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": "eab25b4f93aa771728127705eb4b235a3b5aad94",
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"lessThan": "029a443b9b6424170f00f6dd5b7682e682cce92e",
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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/bq25890_charger.c"
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],
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"versions": [
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{
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"version": "5.18",
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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": "5.18",
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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": "6.1.31",
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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": "6.3.5",
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"lessThanOrEqual": "6.3.*",
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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": "6.4",
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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": "5.18",
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"versionEndExcluding": "6.1.31"
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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": "5.18",
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"versionEndExcluding": "6.3.5"
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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": "5.18",
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"versionEndExcluding": "6.4"
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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/72c28207c19c2c46fab8ae994aff25e197fb2949"
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},
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{
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"url": "https://git.kernel.org/stable/c/9d20fa1982c35697f3f8c4ae0f12791691ae5958"
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},
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{
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"url": "https://git.kernel.org/stable/c/029a443b9b6424170f00f6dd5b7682e682cce92e"
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}
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],
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"title": "power: supply: bq25890: Fix external_power_changed race",
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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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} |