PT-2016-5150 · Linux+3 · Linux Kernel+3

Andrej Nemec · Published 2016-02-15 · Updated 2022-01-31 · CVE-2016-2383

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.5

Description The issue allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions. This is due to the adjust branches function in kernel/bpf/verifier.c not considering the delta in the backward-jump case.

Recommendations For Linux kernel versions prior to 4.5, update to version 4.5 or later to resolve the issue.

Fix

Related Identifiers

ALT-PU-2016-1262

ALT-PU-2017-1330

CVE-2016-2383

OPENSUSE-SU-2016_1008-1

USN-2947-1

USN-2947-2

USN-2947-3

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 24

• https://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492 · Patch
• https://ubuntu.com/security/CVE-2015-7833 · Vendor Advisory
• http://ubuntu.com/usn/USN-2947-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8812 · Vendor Advisory
• https://osv.dev/vulnerability/USN-2947-2 · Vendor Advisory
• http://ubuntu.com/usn/USN-2947-2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-2383 · Security Note
• https://ubuntu.com/security/notices/USN-2947-2 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2383 · Vendor Advisory
• http://ubuntu.com/usn/USN-2947-3 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-2383 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2085 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-2947-1 · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492 · Vendor Advisory