Is CVE-2013-4300 in the CISA KEV catalog?

No. CVE-2013-4300 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-4300?

CVE-2013-4300 has a CVSS v2 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2013-4300?

CVE-2013-4300 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-4300?

Upgrade linux on debian 11 to 3.11.5-1 or later.

CVE & CISA-KEV Catalog

CVE-2013-4300

HIGH

7.2

CVSS v2

NVD

Description

The scm_check_creds function in net/core/scm.c in the Linux kernel before 3.11 performs a capability check in an incorrect namespace, which allows local users to gain privileges via PID spoofing.

CWE-264Permissions, Privileges, and Access Controls

How to fix

Remediation Available

linuxDebian

Fixed in:3.11.5-1CVE-2013-4300

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Patch4

Third-Party Advisory2

Other references1

git.kernel.org

Related Vulnerabilities

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2012-1456	Medium	4.3	100%	-	-
CVE-2012-1459	Medium	4.3	100%	-	Fix
CVE-2012-1446	Medium	4.3	100%	-	-
CVE-2012-1443	Medium	4.3	100%	-	-
CVE-2012-1442	Medium	4.3	99%	-	-
CVE-2012-1457	Medium	4.3	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.