The do_check function in kernel/bpf/verifier.c in the Linux kernel before 4.11.1 does not make the allow_ptr_leaks value available for restricting the output of the print_bpf_insn function, which allows local users to obtain sensitive address information via crafted bpf system calls.
Product | Vendor | Version |
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n/a | n/a | < 99b9402a36f0799f25feee4465bfa4b8dfa74b4d |