CVE-2013-2851

6.0 MEDIUM 0.3% exploit odds No fix listed

What it is

Format string vulnerability in the register_disk function in block/genhd.c in the Linux kernel through 3.9.4 allows local users to gain privileges by leveraging root access and writing format string specifiers to /sys/module/md_mod/parameters/new_array in order to create a crafted /dev/md device name.

At a glance

Exploitability: Can be exploited locally on the machine with a login. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2013-06-07 14:03 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:54 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 6.0 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2013-06-07 14:03 UTC
Last modified: 2026-06-16 23:54 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-134
Record status: Modified

Affected

Linux Kernel ≤ 3.9.4
Linux Kernel 3.9
Linux Kernel 3.9.0
Linux Kernel 3.9.1
Linux Kernel 3.9.2
Linux Kernel 3.9.3

Attack profile CVSS 2.0 · 6.0

Attack vector: Local
Complexity: High
Authentication: Single
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:L/AC:H/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-2013-2851.md and follow it. Check whether this project is affected by CVE-2013-2851. 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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References

NVD record · CVE.org record