CVE-2009-3238 Weak cryptography in n/a

What is CVE-2009-3238?

CVE-2009-3238 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 18 Sep 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The get_random_int function in drivers/char/random.c in the Linux kernel before 2.6.30 produces insufficiently random numbers, which allows attackers to predict the return value, and possibly defeat protection mechanisms based on randomization, via vectors that leverage the function's tendency to "return the same value over and over again for long stretches of time."

Weakness: CWE-338

Which versions are affected by CVE-2009-3238?

It affects 5 products.

Products include Canonical Ubuntu Linux, Linux kernel, Opensuse Opensuse, Suse Linux Enterprise Desktop, Suse Linux Enterprise Server.

How do I fix CVE-2009-3238?

Upgrade to a fixed version.

Is CVE-2009-3238 being exploited?

There is no known exploitation of CVE-2009-3238 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-gq5x-hvxj-cp4r.