UNKNOWN NVD
CVE-2026-80711
In the Linux kernel, the following vulnerability has been resolved: power: supply: max17040: handle missing status supplier MAX17040 does not report charger s
In the Linux kernel, the following vulnerability has been resolved:
power: supply: max17040: handle missing status supplier
MAX17040 does not report charger state itself, so the driver forwards
POWER_SUPPLY_PROP_STATUS to a supplier power supply. If no supplier is
registered, power_supply_get_property_from_supplier() returns -ENODEV and
leaves the output value untouched.
max17040_get_property() currently ignores that error and returns success,
so userspace can read an uninitialized status value from the battery power
supply. This happens on systems that use the fuel gauge without a charger
supplier relationship in firmware.
Return POWER_SUPPLY_STATUS_UNKNOWN when no supplier provides STATUS, and
propagate other supplier lookup errors.
References
- https://git.kernel.org/stable/c/725668c6b6aa3971fe850659102c250d0d676e18
- https://git.kernel.org/stable/c/91ac995a6f4ddf4f92b231b080544abf23a9b871
- https://git.kernel.org/stable/c/b039f13e095d28a64ca6b21d0ee5440d8b048f37
- https://git.kernel.org/stable/c/ee2ea0c452edc0930e7395b080dccd5a1cb965e1
This unknown severity vulnerability was published on 2026-08-28 via NVD.
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