CVE-2023-53310

In the Linux kernel, the following vulnerability has been resolved: power: supply: axp288_fuel_gauge: Fix external_power_changed race fuel_gauge_external_power_changed() dereferences info->bat, which gets sets in axp288_fuel_gauge_probe() like this: info->bat = devm_power_supply_register(dev, &fuel_gauge_desc, &psy_cfg); As soon as devm_power_supply_register() has called device_add() the external_power_changed callback can get called. So there is a window where fuel_gauge_external_power_changed() may get called while info->bat has not been set yet leading to a NULL pointer dereference. Fixing this is easy. The external_power_changed callback gets passed the power_supply which will eventually get stored in info->bat, so fuel_gauge_external_power_changed() can simply directly use the passed in psy argument which is always valid.

• CWE-362
• CWE-362

• https://git.kernel.org/stable/c/0456b912121e45b3ef54abe3135e5dcb541f956cPatch
• https://git.kernel.org/stable/c/a636c6ba9ce898207f283271cb28511206ab739bPatch
• https://git.kernel.org/stable/c/f8319774d6f1567d6e7d03653174ab0c82c5c66dPatch

Published

Sep 16, 2025

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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