National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2010-2946 Detail

Current 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
View Analysis Description

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

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.6.35.2

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-2946
NVD Published Date:
09/29/2010
NVD Last Modified:
11/19/2018