Is CVE-2009-3228 in the CISA KEV catalog?

No. CVE-2009-3228 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-3228?

CVE-2009-3228 has a CVSS v2 base score of 2.1 (LOW).

What is the EPSS score for CVE-2009-3228?

CVE-2009-3228 has an EPSS score of 0.40% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-3228?

Upgrade linux kernel to 2.6.31 or later.

CVE & CISA-KEV Catalog

CVE-2009-3228

LOW

2.1

CVSS v2

NVD

Description

The tc_fill_tclass function in net/sched/sch_api.c in the tc subsystem in the Linux kernel 2.4.x before 2.4.37.6 and 2.6.x before 2.6.31-rc9 does not initialize certain (1) tcm__pad1 and (2) tcm__pad2 structure members, which might allow local users to obtain sensitive information from kernel memory via unspecified vectors.

CWE-909

How to fix

Remediation Available

linux kernelNVD

Affected:>= 2.6.0, < 2.6.31Fixed in:2.6.31CVE-2009-3228derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

0.40%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Related Vulnerabilities

Other CWE-909 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-14647	High	7.5	11%	-	Fix
CVE-2019-9639	High	7.5	8.2%	-	Fix
CVE-2018-10811	High	7.5	7.1%	-	Fix
CVE-2020-12352	Medium	6.5	5.7%	-	Fix
CVE-2019-3804	High	7.5	4.9%	-	Fix
CVE-2020-16932	High	7.8	4.8%	-	-

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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 2026-04-23.