CVE-2014-0049

7.4 HIGH 0.8% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment with a login. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2014-03-11 13:01 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:02 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.8% in the next 30 days (EPSS).
Severity: 7.4 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2014-03-11 13:01 UTC
Last modified: 2026-06-17 00:02 UTC
Exploit probability: 0.8% · EPSS, next 30 days
Weakness: CWE-120 · Classic buffer overflow
Record status: Modified

Affected

Linux Kernel < 3.13.6

Attack profile CVSS 2.0 · 7.4

Attack vector: Adjacent network
Complexity: Medium
Authentication: Single
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:A/AC:M/Au:S/C:C/I:C/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2014-0049.md and follow it. Check whether this project is affected by CVE-2014-0049. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record