Pointer Leak Vulnerability in Linux Kernel's BPF Verifier

CVE-2017-17864 · LOW Severity

AV:L/AC:L/AU:N/C:P/I:N/A:N

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."

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