CVE-2013-2851

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.

Category

6.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2013-1783.html vendor advisory
http://marc.info/?l=linux-kernel&m=137055204522556&w=2 mailing list
http://www.ubuntu.com/usn/USN-1913-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-1645.html vendor advisory
http://www.debian.org/security/2013/dsa-2766 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=969515
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2014-0284.html vendor advisory
http://www.ubuntu.com/usn/USN-1941-1 vendor advisory
http://www.openwall.com/lists/oss-security/2013/06/06/13 mailing list
http://www.ubuntu.com/usn/USN-1942-1 vendor advisory
http://www.ubuntu.com/usn/USN-1912-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-2851?
CVE-2013-2851 has been scored as a medium severity vulnerability.
How to fix CVE-2013-2851?
To fix CVE-2013-2851, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-2851 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-2851 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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