CVE-2007-6716 Denial of service in n/a

What is CVE-2007-6716?

CVE-2007-6716 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 4 Sep 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

fs/direct-io.c in the dio subsystem in the Linux kernel before 2.6.23 does not properly zero out the dio struct, which allows local users to cause a denial of service (OOPS), as demonstrated by a certain fio test.

Which versions are affected by CVE-2007-6716?

It affects 7 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Novell Linux Desktop, Opensuse Opensuse, Suse Suse Linux Enterprise Desktop and 1 more.

How do I fix CVE-2007-6716?

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-2007-6716 being exploited?

There is no known exploitation of CVE-2007-6716 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 GHSA-553j-q6pg-m594.