CVE-2012-2119 Memory corruption in n/a

What is CVE-2012-2119?

CVE-2012-2119 is a medium-severity memory corruption vulnerability in Linux kernel, published on 22 Jan 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-119

Which versions are affected by CVE-2012-2119?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2012-2119?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2012-2119 being exploited?

There is no known exploitation of CVE-2012-2119 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2012-2119, GHSA-7wpp-8mhw-h7xv.