CVE-2009-4226

CVE-2009-4226 is a high-severity vulnerability in Sun Opensolaris with a CVSS 2.0 base score of 7.1. 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-362.

Key facts

Description

Race condition in the IP module in the kernel in Sun OpenSolaris snv_106 through snv_124 allows remote attackers to cause a denial of service (NULL pointer dereference and panic) via unspecified vectors related to the (1) tcp_do_getsockname or (2) tcp_do_getpeername function.

Frequently asked questions

What is CVE-2009-4226?
Race condition in the IP module in the kernel in Sun OpenSolaris snv_106 through snv_124 allows remote attackers to cause a denial of service (NULL pointer dereference and panic) via unspecified vectors related to the (1) tcp_do_getsockname or (2) tcp_do_getpeername function.
How severe is CVE-2009-4226?
CVE-2009-4226 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2009-4226 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4226?
CVE-2009-4226 primarily affects Sun Opensolaris. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4226?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-4226 published?
CVE-2009-4226 was published on 2009-12-08 and last updated on 2026-06-16.

References

Affected products (38)

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