CVE-2019-15918

Se detectó un problema en el kernel de Linux versiones anteriores a 5.0.10. La función SMB2_negotiate en el archivo fs/cifs/smb2pdu.c presenta una lectura fuera de límites porque las estructuras de datos son actualizadas de manera incompleta después de un cambio desde smb30 hacia smb21.

It was discovered that the RSI 91x Wi-Fi driver in the Linux kernel did not did not handle detach operations correctly, leading to a use-after-free vulnerability. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Wen Huang discovered that the Marvell Wi-Fi device driver in the Linux kernel did not properly perform bounds checking, leading to a heap overflow. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.