National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-2847 Detail

Description

The do_sigaltstack function in kernel/signal.c in Linux kernel 2.4 through 2.4.37 and 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function.

Source:  MITRE
Description Last Modified:  08/18/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:C/I:N/A:N) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


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

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/15/2009)

This issue has been rated as having moderate security impact. It was addressed in Red Hat Enterprise Linux 4, 5 and Red Hat Enterprise MRG: http://rhn.redhat.com/cve/CVE-2009-2847.html This issue is not planned to be fixed in Red Hat Enterprise Linux 3, due to this product being in Production 3 of its maintenance life-cycle, where only qualified security errata of important or critical impact are addressed. For further information about Errata Support Policy, visit: http://www.redhat.com/security/updates/errata/

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=commitdiff;h=0083fc2c50e6c5127c2802ad323adf8143ab7856 Exploit
http://rhn.redhat.com/errata/RHSA-2009-1243.html
http://www.exploit-db.com/exploits/9352
http://www.openwall.com/lists/oss-security/2009/08/04/1 Patch
http://www.openwall.com/lists/oss-security/2009/08/05/1 Patch
http://www.openwall.com/lists/oss-security/2009/08/26/2
http://www.redhat.com/support/errata/RHSA-2009-1438.html
http://www.securityfocus.com/archive/1/507985/100/0/threaded
http://www.ubuntu.com/usn/USN-852-1
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.vupen.com/english/advisories/2009/3316
https://bugzilla.redhat.com/show_bug.cgi?id=515392 Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10637
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8405
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html

References to Check Content

Identifier:
oval:org.mitre.oval:def:10637
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10637
Identifier:
oval:org.mitre.oval:def:8405
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:8405

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
AND
OR
cpe:2.3:a:linux:kernel:2.6.24.7:*:*:*:*:*:*:*
cpe:2.3:a:linux:kernel:2.6.25.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.25:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.26:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.29:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.30:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:-rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:-rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:-rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:-rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:-rc5:*:*:*:*:*:*    versions up to (including) 2.6.16.31
OR
cpe:2.3:h:linux:linux:*:*:x64:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-2847
NVD Published Date:
08/18/2009
NVD Last Modified:
10/10/2018