CVE-2013-7421

CVE-2013-7421 is a low-severity vulnerability in Canonical Ubuntu Linux with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

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.

Frequently asked questions

What is CVE-2013-7421?
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.
How severe is CVE-2013-7421?
CVE-2013-7421 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2013-7421 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-7421?
CVE-2013-7421 primarily affects Canonical Ubuntu Linux. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-7421?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-7421 published?
CVE-2013-7421 was published on 2015-03-02 and last updated on 2026-06-17.

References

Affected products (9)

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