CVE-2012-1179

5.2 MEDIUM 0.6% exploit odds Fix listed

What it is

The Linux kernel before 3.3.1, when KVM is used, allows guest OS users to cause a denial of service (host OS crash) by leveraging administrative access to the guest OS, related to the pmd_none_or_clear_bad function and page faults for huge pages.

At a glance

Exploitability: Can be exploited from the same network segment with a login. High risk of service disruption.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2012-05-17 11:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:39 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.6% in the next 30 days (EPSS).
Severity: 5.2 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2012-05-17 11:00 UTC
Last modified: 2026-06-16 23:39 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-264
Record status: Modified

Affected

Linux Kernel ≤ 3.3

Attack profile CVSS 2.0 · 5.2

Attack vector: Adjacent network
Complexity: Medium
Authentication: Single
Confidentiality: None
Integrity: None
Availability: Complete

Raw vector

AV:A/AC:M/Au:S/C:N/I:N/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-2012-1179.md and follow it. Check whether this project is affected by CVE-2012-1179. 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