Exploit for Externally Controlled Reference to a Resource in Another Sphere in Linux Linux_Kernel

Bypassing Spectre-BTI User Space Mitigations on Linux Th...

PT-2023-1383

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.9.176 Description The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ib prctl set function updates the Thread Information Flags TIFs for the task and...