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CVE-2016-2383

Public on 2016-03-16
Modified on 2016-12-23
Description

The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.

Severity
Low
See what this means
CVSS v3 Base Score
1.7
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2016-03-16 16:30 ALAS-2016-669

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 1.7 AV:L/AC:L/Au:S/C:P/I:N/A:N
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv2 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N