Re: CVE Request: Linux: Incorrect branch fixups for eBPF allow arbitrary read

[cve-assign () mitre org]

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> https://git.kernel.org/linus/a1b14d27ed0965838350f1377ff97c93ee383492
> bpf: fix branch offset adjustment on backjumps after patching ctx expansion
>
> for backward jumps it fails to account the delta
>
> kernel/bpf/verifier.c
> adjust_branches
>
> -    else if (i > pos && i + insn->off + 1 < pos)
> +    else if (i > pos + delta && i + insn->off + 1 <= pos + delta)

Use CVE-2016-2383.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
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