CVE-2014-0049 Memory corruption in n/a

What is CVE-2014-0049?

CVE-2014-0049 is a high-severity memory corruption vulnerability in Linux kernel, published on 11 Mar 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in the complete_emulated_mmio function in arch/x86/kvm/x86.c in the Linux kernel before 3.13.6 allows guest OS users to execute arbitrary code on the host OS by leveraging a loop that triggers an invalid memory copy affecting certain cancel_work_item data.

Weakness: CWE-120

Which versions are affected by CVE-2014-0049?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2014-0049?

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-2014-0049 being exploited?

There is no known exploitation of CVE-2014-0049 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-2014-0049, GHSA-vm7h-784c-gg5h.