CVE-2012-2119

CVE-2012-2119 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 5.2. 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-119.

Key facts

Description

Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length.

Frequently asked questions

What is CVE-2012-2119?
Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length.
How severe is CVE-2012-2119?
CVE-2012-2119 has a CVSS 2.0 base score of 5.2, rated medium severity.
Is CVE-2012-2119 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2119?
CVE-2012-2119 primarily affects Linux Linux Kernel. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2119?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2119 published?
CVE-2012-2119 was published on 2013-01-22 and last updated on 2026-06-16.

References

Affected products (5)

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