CVE-2013-7421 Privilege escalation in n/a

What is CVE-2013-7421?

CVE-2013-7421 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 2 Mar 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a bind system call for an AF_ALG socket with a module name in the salg_name field, a different vulnerability than CVE-2014-9644.

Weakness: CWE-269

Which versions are affected by CVE-2013-7421?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Oracle Linux.

How do I fix CVE-2013-7421?

Apply the vendor's patch.

Is CVE-2013-7421 being exploited?

There is no known exploitation of CVE-2013-7421 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-2013-7421, GHSA-7h46-6772-ccxh, UBUNTU-CVE-2013-7421.