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CVE-2016-2383 Detail

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.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492 Patch  Vendor Advisory 
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492 Patch  Vendor Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/02/14/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/02/14/1 Mailing List  Third Party Advisory 
http://www.ubuntu.com/usn/USN-2947-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2947-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2947-2 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2947-2 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2947-3 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2947-3 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1308452 Issue Tracking  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1308452 Issue Tracking  Third Party Advisory 
https://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492 Patch  Third Party Advisory 
https://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492 Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2383
NVD Published Date:
04/27/2016
NVD Last Modified:
11/20/2024
Source:
Debian GNU/Linux