{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53166", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-15T13:59:19.063Z", "datePublished": "2025-09-15T14:03:55.131Z", "dateUpdated": "2026-05-11T19:39:32.976Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:39:32.976Z"}, "descriptions": [{"lang": "en", "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/power/supply/bq25890_charger.c"], "versions": [{"version": "eab25b4f93aa771728127705eb4b235a3b5aad94", "lessThan": "72c28207c19c2c46fab8ae994aff25e197fb2949", "status": "affected", "versionType": "git"}, {"version": "eab25b4f93aa771728127705eb4b235a3b5aad94", "lessThan": "9d20fa1982c35697f3f8c4ae0f12791691ae5958", "status": "affected", "versionType": "git"}, {"version": "eab25b4f93aa771728127705eb4b235a3b5aad94", "lessThan": "029a443b9b6424170f00f6dd5b7682e682cce92e", "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/bq25890_charger.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.31", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3.5", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4", "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": "5.18", "versionEndExcluding": "6.1.31"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.3.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/72c28207c19c2c46fab8ae994aff25e197fb2949"}, {"url": "https://git.kernel.org/stable/c/9d20fa1982c35697f3f8c4ae0f12791691ae5958"}, {"url": "https://git.kernel.org/stable/c/029a443b9b6424170f00f6dd5b7682e682cce92e"}], "title": "power: supply: bq25890: Fix external_power_changed race", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "96ED2287-2842-4A17-B79A-9F1F111B827C", "versionEndExcluding": "6.1.31", "versionStartIncluding": "5.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "34DD94CA-4DA1-41C3-9A9B-92ACD7F4E240", "versionEndExcluding": "6.3.5", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*", "matchCriteriaId": "38BC6744-7D25-4C02-9966-B224CD071D30", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:*", "matchCriteriaId": "76061B41-CAE9-4467-BEDE-0FFC7956F2A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.4:rc3:*:*:*:*:*:*", "matchCriteriaId": "A717BA5B-D535-46A0-A329-A25FE5CEC588", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2023-53166", "lastModified": "2025-11-24T21:02:32.000", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-09-15T14:15:38.343", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/029a443b9b6424170f00f6dd5b7682e682cce92e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/72c28207c19c2c46fab8ae994aff25e197fb2949"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9d20fa1982c35697f3f8c4ae0f12791691ae5958"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: power: supply: bq25890: Fix external_power_changed race", "id": "2395335", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395335"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-53166", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53166\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53166\nhttps://lore.kernel.org/linux-cve-announce/2025091553-CVE-2023-53166-12e5@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-17T10:08:20.323984+00:00", "updated": "2025-09-17T10:08:20.324033+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}