CVE-2013-6834

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-11-21 · updated 2026-06-17
Weakness: CWE-20

Description

The ql_eioctl function in sys/dev/qlxgbe/ql_ioctl.c in the kernel in FreeBSD 10 and earlier does not validate a certain size parameter, which allows local users to obtain sensitive information from kernel memory via a crafted ioctl call.

Affected products

FreeBSD: through 10.0; 0.4_1, 1.0, 1.1, 1.1.5, 1.1.5.1, 1.2 (+66)

References

http://archives.neohapsis.com/archives/fulldisclosure/2013-11/0107.html
http://archives.neohapsis.com/archives/fulldisclosure/2013-11/0107.html

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