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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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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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URL Source(s) Tag(s)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=0083fc2c50e6c5127c2802ad323adf8143ab7856 CVE, MITRE
http://rhn.redhat.com/errata/RHSA-2009-1243.html CVE, MITRE
http://secunia.com/advisories/36136 CVE, MITRE
http://secunia.com/advisories/36501 CVE, MITRE
http://secunia.com/advisories/36562 CVE, MITRE
http://secunia.com/advisories/36759 CVE, MITRE
http://secunia.com/advisories/37105 CVE, MITRE
http://secunia.com/advisories/37471 CVE, MITRE
http://www.exploit-db.com/exploits/9352 CVE, MITRE
http://www.openwall.com/lists/oss-security/2009/08/04/1 CVE, MITRE Patch 
http://www.openwall.com/lists/oss-security/2009/08/05/1 CVE, MITRE Patch 
http://www.openwall.com/lists/oss-security/2009/08/26/2 CVE, MITRE
http://www.redhat.com/support/errata/RHSA-2009-1438.html CVE, MITRE
http://www.securityfocus.com/archive/1/507985/100/0/threaded CVE, MITRE
http://www.ubuntu.com/usn/USN-852-1 CVE, MITRE
http://www.vmware.com/security/advisories/VMSA-2009-0016.html CVE, MITRE
http://www.vupen.com/english/advisories/2009/3316 CVE, MITRE
https://bugzilla.redhat.com/show_bug.cgi?id=515392 CVE, MITRE Patch 
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10637 CVE, MITRE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8405 CVE, MITRE
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html CVE, MITRE

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-2847
NVD Published Date:
08/18/2009
NVD Last Modified:
04/08/2025
Source:
MITRE