CVE-2014-7822

Impact:
Moderate
Public Date:
2015-01-28
Bugzilla:
1163792: CVE-2014-7822 kernel: splice: lack of generic write checks
A flaw was found in the way the Linux kernel's splice() system call validated its parameters. On certain file systems, a local, unprivileged user could use this flaw to write past the maximum file size, and thus crash the system.

Find out more about CVE-2014-7822 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for the respective releases may address this flaw.

CVSS v2 metrics

Base Score 4.9
Base Metrics AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

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-2015:0674 2015-03-11
Red Hat Enterprise Linux 7 (kernel) RHSA-2015:0102 2015-01-28
Red Hat Enterprise Linux 5 (kernel) RHSA-2015:0164 2015-02-10
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2015:0694 2015-03-17

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Will not fix

Acknowledgements

Red Hat would like to thank Akira Fujita of NEC for reporting this issue.

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