CVE-2013-2851 Memory corruption in n/a

What is CVE-2013-2851?

CVE-2013-2851 is a medium-severity memory corruption vulnerability in Linux kernel, published on 7 Jun 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-134

Which versions are affected by CVE-2013-2851?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-2851?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2013-2851 being exploited?

There is no known exploitation of CVE-2013-2851 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-2013-2851, GHSA-m8m5-89h4-8cjh.