How severe is CVE-2010-4342?

CVE-2010-4342 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2010-4342 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4342?

CVE-2010-4342 primarily affects Linux Linux Kernel. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4342?

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-2010-4342 published?

CVE-2010-4342 was published on 2010-12-30 and last updated on 2026-06-16.

CVE-2010-4342

CVE-2010-4342 is a high-severity vulnerability in Linux Linux Kernel 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-476.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Linux Linux Kernel
Published: 2010-12-30
Last modified: 2026-06-16

Description

The aun_incoming function in net/econet/af_econet.c in the Linux kernel before 2.6.37-rc6, when Econet is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending an Acorn Universal Networking (AUN) packet over UDP.

Frequently asked questions

What is CVE-2010-4342?: The aun_incoming function in net/econet/af_econet.c in the Linux kernel before 2.6.37-rc6, when Econet is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending an Acorn Universal Networking (AUN) packet over UDP.
How severe is CVE-2010-4342?: CVE-2010-4342 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2010-4342 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4342?: CVE-2010-4342 primarily affects Linux Linux Kernel. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4342?: 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-2010-4342 published?: CVE-2010-4342 was published on 2010-12-30 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.37:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.37:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.37:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.37:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.37:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.37:rc5:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:*

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