CVE-2022-50276: falha em Linux
power: supply: fix null pointer dereferencing in power_supply_get_battery_info
Publicada em · Atualizada em
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.2%
probabilidade de exploração
0.2%top 95% das CVEs
exploração observada
nãonenhuma fonte reporta
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.
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Referências
https://git.kernel.org/stable/c/104bb8a663451404a26331263ce5b96c34504049https://git.kernel.org/stable/c/279af90e65cbdb3e5c4519b0043324d7876bc5echttps://git.kernel.org/stable/c/5beadb55f4e36fafe5d6df5dcd5f85d803f3f134https://git.kernel.org/stable/c/8ea68b4e3fa9392ef9dae303abc8735a033c280fhttps://git.kernel.org/stable/c/b8131efb89d9f837c9244f900f0fc2699fd1181dhttps://git.kernel.org/stable/c/d21534ab4fd7883e1c8037a76671d4e8b6ea14cb