NVD - CVE-2010-2946

CVE-2010-2946 Detail

Description

fs/jfs/xattr.c in the Linux kernel before 2.6.35.2 does not properly handle a certain legacy format for storage of extended attributes, which might allow local users by bypass intended xattr namespace restrictions via an "os2." substring at the beginning of a name.

Source: MITRE
Description Last Modified: 09/29/2010

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

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=aca0fa34bdaba39bfddddba8ca70dba4782e8fe6	Patch
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.10
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.51
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.2
http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
http://www.openwall.com/lists/oss-security/2010/08/20/1
http://www.openwall.com/lists/oss-security/2010/08/20/11
http://www.securityfocus.com/bid/42589
http://www.ubuntu.com/usn/USN-1000-1
http://www.vupen.com/english/advisories/2011/0298
http://www.vupen.com/english/advisories/2011/0375

Technical Details

Vulnerability Type (View All)

Input Validation (CWE-20)

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Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-2946
NVD Published Date:
09/29/2010
NVD Last Modified:
03/19/2012

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