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Date: Sun, 14 Feb 2016 12:56:07 -0500 (EST)
From: cve-assign@...re.org
To: carnil@...ian.org
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com, benh@...ian.org
Subject: Re: CVE Request: Linux: Incorrect branch fixups for eBPF allow arbitrary read

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Hash: SHA256

> 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
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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