CVE-2012-3400

7.6 HIGH 8% exploit odds Fix listed Memory safety OS & kernel

What it is

Heap-based buffer overflow in the udf_load_logicalvol function in fs/udf/super.c in the Linux kernel before 3.4.5 allows remote attackers to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted UDF filesystem.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 7.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2012-10-03 11:02 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:43 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 7.8% in the next 30 days (EPSS).
Severity: 7.6 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2012-10-03 11:02 UTC
Last modified: 2026-06-16 23:43 UTC
Exploit probability: 7.8% · EPSS, next 30 days
Weakness: CWE-787 · Out-of-bounds write
Record status: Modified

Affected

Linux Kernel < 3.0.37
Linux Kernel < 3.2.23
Linux Kernel < 3.4.5
Canonical Ubuntu Linux 10.04
Canonical Ubuntu Linux 11.04
Canonical Ubuntu Linux 12.04

Attack profile CVSS 2.0 · 7.6

Attack vector: Network
Complexity: High
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:N/AC:H/Au:N/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-2012-3400.md and follow it. Check whether this project is affected by CVE-2012-3400. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record