CVE-2024-43840

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix trampoline for BPFTRAMPFCALLORIG When BPFTRAMPFCALLORIG is set, the trampoline calls bpftrampenter and bpftrampexit functions, passing them the struct bpftrampimage im pointer as an argument in R0. The trampoline...

CVE-2024-43840

CVE-2024-43840 is a Linux kernel vulnerability where, when BPF_TRAMP_F_CALL_ORIG is set, the trampoline passed an address to __bpf_tramp_enter/exit() via R0 that could exceed 48 bits. The trampoline code used emit_addr_mov_i64(), assuming vmalloc()-space addresses, causing the address to be trunc...