{"id":"CVE-2023-53310","state":"PUBLISHED","title":"power: supply: axp288_fuel_gauge: Fix external_power_changed race","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: axp288_fuel_gauge: Fix external_power_changed race\n\nfuel_gauge_external_power_changed() dereferences info->bat,\nwhich gets sets in axp288_fuel_gauge_probe() like this:\n\n  info->bat = devm_power_supply_register(dev, &fuel_gauge_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 fuel_gauge_external_power_changed() may get called while\ninfo->bat has not been set yet leading to a NULL pointer dereference.\n\nFixing this is easy. The external_power_changed callback gets passed\nthe power_supply which will eventually get stored in info->bat,\nso fuel_gauge_external_power_changed() can simply directly use\nthe passed in psy argument which is always valid.","publishedAt":"2025-09-16T16:11:48.399Z","updatedAt":"2026-05-11T19:42:28.473Z","severity":{"score":4.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"30abb3d07929137bf72327560e1595508a692c4e","status":"affected","lessThan":"0456b912121e45b3ef54abe3135e5dcb541f956c","versionType":"git"},{"version":"30abb3d07929137bf72327560e1595508a692c4e","status":"affected","lessThan":"a636c6ba9ce898207f283271cb28511206ab739b","versionType":"git"},{"version":"30abb3d07929137bf72327560e1595508a692c4e","status":"affected","lessThan":"f8319774d6f1567d6e7d03653174ab0c82c5c66d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/axp288_fuel_gauge.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.31","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.5","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/axp288_fuel_gauge.c"]}],"references":["https://git.kernel.org/stable/c/0456b912121e45b3ef54abe3135e5dcb541f956c","https://git.kernel.org/stable/c/a636c6ba9ce898207f283271cb28511206ab739b","https://git.kernel.org/stable/c/f8319774d6f1567d6e7d03653174ab0c82c5c66d"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53310.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53310","state":"PUBLISHED","datePublished":"2025-09-16T16:11:48.399Z","dateUpdated":"2026-05-11T19:42:28.473Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-16T16:08:59.562Z"},"containers":{"cna":{"title":"power: supply: axp288_fuel_gauge: Fix external_power_changed race","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: axp288_fuel_gauge: Fix external_power_changed race\n\nfuel_gauge_external_power_changed() dereferences info->bat,\nwhich gets sets in axp288_fuel_gauge_probe() like this:\n\n  info->bat = devm_power_supply_register(dev, &fuel_gauge_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 fuel_gauge_external_power_changed() may get called while\ninfo->bat has not been set yet leading to a NULL pointer dereference.\n\nFixing this is easy. The external_power_changed callback gets passed\nthe power_supply which will eventually get stored in info->bat,\nso fuel_gauge_external_power_changed() can simply directly use\nthe passed in psy argument which is always valid."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"30abb3d07929137bf72327560e1595508a692c4e","status":"affected","lessThan":"0456b912121e45b3ef54abe3135e5dcb541f956c","versionType":"git"},{"version":"30abb3d07929137bf72327560e1595508a692c4e","status":"affected","lessThan":"a636c6ba9ce898207f283271cb28511206ab739b","versionType":"git"},{"version":"30abb3d07929137bf72327560e1595508a692c4e","status":"affected","lessThan":"f8319774d6f1567d6e7d03653174ab0c82c5c66d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/axp288_fuel_gauge.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.31","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.5","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/power/supply/axp288_fuel_gauge.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0456b912121e45b3ef54abe3135e5dcb541f956c"},{"url":"https://git.kernel.org/stable/c/a636c6ba9ce898207f283271cb28511206ab739b"},{"url":"https://git.kernel.org/stable/c/f8319774d6f1567d6e7d03653174ab0c82c5c66d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:42:28.473Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.7,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-53310","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:24:27.946454Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","lang":"en","type":"CWE","description":"CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T18:32:56.963Z"}}]}}}