Public Date:
1004233: CVE-2013-4299 kernel: dm: dm-snapshot data leak

The MITRE CVE dictionary describes this issue as:

Interpretation conflict in drivers/md/dm-snap-persistent.c in the Linux kernel through 3.11.6 allows remote authenticated users to obtain sensitive information or modify data via a crafted mapping to a snapshot block device.

Find out more about CVE-2013-4299 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4.3
Base Metrics AV:A/AC:H/Au:S/C:C/I:N/A:N
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact Complete
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 Server EUS (v. 6.2) (kernel) RHSA-2013:1519 2013-11-13
Red Hat Enterprise Linux version 5 (kernel) RHSA-2013:1449 2013-10-22
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:1490 2013-10-31
Red Hat Enterprise Linux Server EUS (v. 6.3) (kernel) RHSA-2013:1783 2013-12-05
Red Hat Enterprise Linux OpenStack Platform 3.0 (kernel) RHSA-2013:1520 2013-11-14
Red Hat Enterprise Linux Server EUS (v. 6.3) (kernel) RHSA-2013:1450 2013-10-22
Red Hat Enterprise Linux version 6 (kernel) RHSA-2013:1436 2013-10-16
Red Hat Enterprise Linux version 5 (kernel) RHSA-2013:1860 2013-12-19

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux EUS (v. 5.9 server) kernel Affected


Red Hat would like to thank Fujitsu for reporting this issue.