CVE-2013-7266

Kernel: net: information leak in recvmsg handler msg_name & msg_namelen logic

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Severity

Low

Red Hat Product Security

2.1

CVSS 2.0

Review impact separately from score.

Published · November 21, 2013

Updated · November 21, 2025

Description

The mISDN_sock_recvmsg function in drivers/isdn/mISDN/socket.c in the Linux kernel before 3.12.4 does not ensure that a certain length value is consistent with the size of an associated data structure, which allows local users to obtain sensitive information from kernel memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.

Statement

This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 2.1
AV:L/AC:L/Au:N/C:P/I:N/A:N

CWE not specified