NVD - CVE-2012-4508

CVE-2012-4508 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.

Source: MITRE
Description Last Modified: 12/21/2012

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 1.9 LOW
Vector: (AV:L/AC:M/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531	Patch
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html
http://rhn.redhat.com/errata/RHSA-2012-1540.html
http://rhn.redhat.com/errata/RHSA-2013-0496.html
http://rhn.redhat.com/errata/RHSA-2013-1519.html
http://rhn.redhat.com/errata/RHSA-2013-1783.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16
http://www.openwall.com/lists/oss-security/2012/10/25/1
http://www.ubuntu.com/usn/USN-1645-1
http://www.ubuntu.com/usn/USN-1899-1
http://www.ubuntu.com/usn/USN-1900-1
https://bugzilla.redhat.com/show_bug.cgi?id=869904
https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531	Patch
https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html

Technical Details

Vulnerability Type (View All)

Race Conditions (CWE-362)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.35:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.37:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.40:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.42:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.44:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.25:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*

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Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-4508
NVD Published Date:
12/21/2012
NVD Last Modified:
01/07/2014