CVE-2009-2847

N/A Unknown
Published: August 18, 2009 Modified: April 23, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=0083fc2c50e6c5127c2802ad323adf8143ab7856
Source: cve@mitre.org
http://rhn.redhat.com/errata/RHSA-2009-1243.html
Source: cve@mitre.org
http://secunia.com/advisories/36136
Source: cve@mitre.org
http://secunia.com/advisories/36501
Source: cve@mitre.org
http://secunia.com/advisories/36562
Source: cve@mitre.org
http://secunia.com/advisories/36759
Source: cve@mitre.org
http://secunia.com/advisories/37105
Source: cve@mitre.org
http://secunia.com/advisories/37471
Source: cve@mitre.org
http://www.exploit-db.com/exploits/9352
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2009/08/04/1
Source: cve@mitre.org
Patch
http://www.openwall.com/lists/oss-security/2009/08/05/1
Source: cve@mitre.org
Patch
http://www.openwall.com/lists/oss-security/2009/08/26/2
Source: cve@mitre.org
http://www.redhat.com/support/errata/RHSA-2009-1438.html
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/507985/100/0/threaded
Source: cve@mitre.org
http://www.ubuntu.com/usn/USN-852-1
Source: cve@mitre.org
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
Source: cve@mitre.org
http://www.vupen.com/english/advisories/2009/3316
Source: cve@mitre.org
https://bugzilla.redhat.com/show_bug.cgi?id=515392
Source: cve@mitre.org
Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10637
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8405
Source: cve@mitre.org
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html
Source: cve@mitre.org
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=0083fc2c50e6c5127c2802ad323adf8143ab7856
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2009-1243.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/36136
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/36501
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/36562
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/36759
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/37105
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/37471
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.exploit-db.com/exploits/9352
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2009/08/04/1
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.openwall.com/lists/oss-security/2009/08/05/1
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.openwall.com/lists/oss-security/2009/08/26/2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2009-1438.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/507985/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-852-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2009/3316
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=515392
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10637
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8405
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html
Source: af854a3a-2127-422b-91ae-364da2661108

42 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.2%
40th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

linux