CVE-2013-7270

Impact:
Low
Public Date:
2013-11-21
Bugzilla:
1039845: CVE-2013-7271 Kernel: net: information leak in recvmsg handler msg_name & msg_namelen logic

The MITRE CVE dictionary describes this issue as:

The packet_recvmsg function in net/packet/af_packet.c in the Linux kernel before 3.12.4 updates a certain length value before ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.

Find out more about CVE-2013-7270 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5.

Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and
maintenance life cycle. This has been rated as having Low security
impact and is not currently planned to be addressed in future updates. For
additional information, refer to the Red Hat Enterprise Linux Life
Cycle: https://access.redhat.com/support/policy/updates/errata/.

CVSS v2 metrics

Base Score 2.1
Base Metrics AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (kernel) RHSA-2014:0328 2014-03-25

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Will not fix
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 5 kernel Will not fix

Acknowledgements

Red Hat would like to thank Hannes Frederic Sowa for reporting this issue.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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