Unrated severityNVD Advisory· Published Sep 23, 2013· Updated Apr 29, 2026

CVE-2013-5666

Description

The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2-RC1 and 9.2-RC2 does not properly pad transmissions, which allows local users to obtain sensitive information (kernel memory) via a length greater than the length of the file.

Affected products

FreeBSD/FreeBSD2 versions
cpe:2.3:o:freebsd:freebsd:9.2:rc1:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:freebsd:freebsd:9.2:rc1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.2:rc2:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.freebsd.org/security/advisories/FreeBSD-SA-13%3a11.sendfile.ascnvdVendor Advisory
osvdb.org/97142nvd
svnweb.freebsd.org/basenvd
www.securitytracker.com/id/1029013nvd

News mentions

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