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CVE-2013-2851
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…
- 6.0MediumCVSS base score
- 0.34%Exploitation in 30 daysEPSS · top 72% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By Chrome
- 57 days later
· 57 days later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.0 | AV:L/AC:H/Au:S/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.34% · top 72% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.0.
Affected products
n/a
- affected n/a
References
References14
- RHSA-2013:1783 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [linux-kernel] 20130606 [PATCH 1/8] block: do not pass disk names as format strings (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-1913-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2013:1473 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2013:1645 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-2766 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=969515 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2013:1971 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2013:1474 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2014:0284 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-1941-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [oss-security] 20130606 Linux kernel format string flaws (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-1942-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-1912-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-2790 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-2851)Record last updated .