CVE-2016-2383

5.5 MEDIUM
Published: April 27, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492
Source: security@debian.org
Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
Source: security@debian.org
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/14/1
Source: security@debian.org
Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-2947-1
Source: security@debian.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-2947-2
Source: security@debian.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-2947-3
Source: security@debian.org
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1308452
Source: security@debian.org
Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492
Source: security@debian.org
Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/14/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-2947-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-2947-2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-2947-3
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1308452
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.1%
24th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

opensuse canonical linux