CVE-2022-50276

Summary

In the Linux kernel, the following vulnerability has been resolved:

power: supply: fix null pointer dereferencing in power_supply_get_battery_info

when kmalloc() fail to allocate memory in kasprintf(), propname will be NULL, strcmp() called by of_get_property() will cause null pointer dereference.

So return ENOMEM if kasprintf() return NULL pointer.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux3afb50d7125bcdbf71df843134e96ceffc78c8b8 < 8ea68b4e3fa9392ef9dae303abc8735a033c280faffected
LinuxLinux3afb50d7125bcdbf71df843134e96ceffc78c8b8 < 5beadb55f4e36fafe5d6df5dcd5f85d803f3f134affected
LinuxLinux3afb50d7125bcdbf71df843134e96ceffc78c8b8 < d21534ab4fd7883e1c8037a76671d4e8b6ea14cbaffected
LinuxLinux3afb50d7125bcdbf71df843134e96ceffc78c8b8 < 279af90e65cbdb3e5c4519b0043324d7876bc5ecaffected
LinuxLinux3afb50d7125bcdbf71df843134e96ceffc78c8b8 < b8131efb89d9f837c9244f900f0fc2699fd1181daffected
LinuxLinux3afb50d7125bcdbf71df843134e96ceffc78c8b8 < 104bb8a663451404a26331263ce5b96c34504049affected
LinuxLinux5.0affected
LinuxLinux0 < 5.0unaffected
LinuxLinux5.4.229 <= 5.4.*unaffected
LinuxLinux5.10.163 <= 5.10.*unaffected
LinuxLinux5.15.86 <= 5.15.*unaffected
LinuxLinux6.0.16 <= 6.0.*unaffected
LinuxLinux6.1.2 <= 6.1.*unaffected
LinuxLinux6.2 <= *unaffected

Weaknesses

References