How severe is CVE-2010-4161?

CVE-2010-4161 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2010-4161 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4161?

CVE-2010-4161 primarily affects Redhat Enterprise Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4161?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-4161 published?

CVE-2010-4161 was published on 2010-12-30 and last updated on 2026-06-16.

CVE-2010-4161

CVE-2010-4161 is a medium-severity vulnerability in Redhat Enterprise Linux with a CVSS 2.0 base score of 4.9. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Redhat Enterprise Linux
Published: 2010-12-30
Last modified: 2026-06-16

Description

The udp_queue_rcv_skb function in net/ipv4/udp.c in a certain Red Hat build of the Linux kernel 2.6.18 in Red Hat Enterprise Linux (RHEL) 5 allows attackers to cause a denial of service (deadlock and system hang) by sending UDP traffic to a socket that has a crafted socket filter, a related issue to CVE-2010-4158.

Frequently asked questions

What is CVE-2010-4161?: The udp_queue_rcv_skb function in net/ipv4/udp.c in a certain Red Hat build of the Linux kernel 2.6.18 in Red Hat Enterprise Linux (RHEL) 5 allows attackers to cause a denial of service (deadlock and system hang) by sending UDP traffic to a socket that has a crafted socket filter, a related issue to CVE-2010-4158.
How severe is CVE-2010-4161?: CVE-2010-4161 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2010-4161 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4161?: CVE-2010-4161 primarily affects Redhat Enterprise Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4161?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-4161 published?: CVE-2010-4161 was published on 2010-12-30 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:linux:linux_kernel:2.6.18:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

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