CVE-2016-2383 Information disclosure in n/a

What is CVE-2016-2383?

CVE-2016-2383 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 27 Apr 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2016-2383?

It affects 3 products.

Products include Canonical Ubuntu Linux, Linux kernel, Opensuse Leap.

How do I fix CVE-2016-2383?

Apply the vendor's patch.

Is CVE-2016-2383 being exploited?

There is no known exploitation of CVE-2016-2383 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-2383, GHSA-64fh-798g-3h53, UBUNTU-CVE-2016-2383.