CVE-2016-2841 Denial of service in n/a

What is CVE-2016-2841?

CVE-2016-2841 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 16 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control.

Weakness: CWE-20

Which versions are affected by CVE-2016-2841?

It affects 2 products.

Products include Canonical Ubuntu Linux, Qemu Qemu.

How do I fix CVE-2016-2841?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-2841 being exploited?

There is no known exploitation of CVE-2016-2841 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-2016-2841, GHSA-fvfw-92qr-62hm, UBUNTU-CVE-2016-2841.