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DEBIAN-CVE-2026-45869
No affected components available
In the Linux kernel, the following vulnerability has been resolved: power: supply: wm97xx: Fix NULL pointer dereference in power_supply_changed() In probe(), request_irq() is called before allocating/registering a power_supply handle. If an interrupt is fired between the call to request_irq() and power_supply_register(), the power_supply handle will be used uninitialized in power_supply_changed() in wm97xx_bat_update() (triggered from the interrupt handler). This will lead to a NULL pointer dereference since Fix this racy NULL pointer dereference by making sure the IRQ is requested after the registration of the power_supply handle. Since the IRQ is the last thing requests in the probe() now, remove the error path for freeing it. Instead add one for unregistering the power_supply handle when IRQ request fails.
The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
- CVE-2026-45869Upstream
- EUVD-2026-32335Upstream
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