CVE-2013-6832

CVE-2013-6832 is a medium-severity vulnerability in Freebsd with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.9)
• EPSS exploit prediction: 0% (34th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-200
• Affected product: Freebsd
• Published: 2013-11-21
• Last modified: 2026-06-17

Description

The nand_ioctl function in sys/dev/nand/nand_geom.c in the nand driver in the kernel in FreeBSD 10 and earlier does not properly initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted ioctl call.

Frequently asked questions

What is CVE-2013-6832?

The nand_ioctl function in sys/dev/nand/nand_geom.c in the nand driver in the kernel in FreeBSD 10 and earlier does not properly initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted ioctl call.

How severe is CVE-2013-6832?

CVE-2013-6832 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2013-6832 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6832?

CVE-2013-6832 primarily affects Freebsd. In total, 73 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6832?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-6832 published?

CVE-2013-6832 was published on 2013-11-21 and last updated on 2026-06-17.

References

• http://archives.neohapsis.com/archives/fulldisclosure/2013-11/0106.html

Affected products (73)

• cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:0.4_1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:1.0:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:1.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:1.1.5:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:1.1.5.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:1.2:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:1.5:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.0.5:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.1.0:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.1.5:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.1.6:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.1.6.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.1.7:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.1.7.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.2:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.2.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.2.2:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.2.3:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.2.4:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.2.5:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.2.6:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.2.7:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:2.2.8:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:3.0:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:3.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:3.2:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:3.3:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:3.4:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:3.5:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:3.5.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:4.4:*:*:*:*:*:*:*

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