CVE-2009-2847 (GCVE-0-2009-2847)
Vulnerability from cvelistv5 – Published: 2009-08-18 20:41 – Updated: 2024-08-07 06:07
VLAI
EPSS
VEX
Summary
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
21 references
Date Public
2009-08-01 00:00
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"descriptions": "[{\"lang\": \"en\", \"value\": \"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.\"}, {\"lang\": \"es\", \"value\": \"La funci\\u00f3n do_sigaltstack en kernel/signal.c en el kernel de Linux 2.6 antes de 2.6.31-RC5, cuando se ejecuta en sistemas de 64 bits, no limpia algunos octetos de relleno de una estructura, lo que permite a usuarios locales obtener informaci\\u00f3n sensible de la pila del n\\u00facleo a trav\\u00e9s de la funci\\u00f3n sigaltstack.\"}]",
"id": "CVE-2009-2847",
"lastModified": "2024-11-21T01:05:53.260",
"metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:C/I:N/A:N\", \"baseScore\": 4.9, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.9, \"impactScore\": 6.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2009-08-18T21:00:00.377",
"references": "[{\"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=0083fc2c50e6c5127c2802ad323adf8143ab7856\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2009-1243.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://secunia.com/advisories/36136\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://secunia.com/advisories/36501\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://secunia.com/advisories/36562\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://secunia.com/advisories/36759\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://secunia.com/advisories/37105\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://secunia.com/advisories/37471\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.exploit-db.com/exploits/9352\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2009/08/04/1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2009/08/05/1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2009/08/26/2\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.redhat.com/support/errata/RHSA-2009-1438.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.securityfocus.com/archive/1/507985/100/0/threaded\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-852-1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.vmware.com/security/advisories/VMSA-2009-0016.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.vupen.com/english/advisories/2009/3316\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=515392\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"]}, {\"url\": \"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10637\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8405\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=0083fc2c50e6c5127c2802ad323adf8143ab7856\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2009-1243.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://secunia.com/advisories/36136\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://secunia.com/advisories/36501\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://secunia.com/advisories/36562\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://secunia.com/advisories/36759\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://secunia.com/advisories/37105\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://secunia.com/advisories/37471\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.exploit-db.com/exploits/9352\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2009/08/04/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2009/08/05/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2009/08/26/2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.redhat.com/support/errata/RHSA-2009-1438.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securityfocus.com/archive/1/507985/100/0/threaded\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-852-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.vmware.com/security/advisories/VMSA-2009-0016.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.vupen.com/english/advisories/2009/3316\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=515392\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10637\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8405\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
"sourceIdentifier": "cve@mitre.org",
"vendorComments": "[{\"organization\": \"Red Hat\", \"comment\": \"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:\\nhttp://rhn.redhat.com/cve/CVE-2009-2847.html\\n\\nThis 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/\", \"lastModified\": \"2009-09-15T00:00:00\"}]",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
},
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Hat\",\"comment\":\"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:\\nhttp://rhn.redhat.com/cve/CVE-2009-2847.html\\n\\nThis 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/\",\"lastModified\":\"2009-09-15T00:00:00\"}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T13:10:54+00:00",
"cve": "CVE-2009-2847",
"id": "CVE-2009-2847",
"initial_release_date": "2009-07-31T00:00:00+00:00",
"product_status:fixed": "367",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: information leak in sigaltstack",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-2847.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2023-02-15T06:03:02Z",
"cve": "CVE-2009-2847",
"id": "CVE-2009-2847",
"initial_release_date": "2023-02-15T06:03:02Z",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2009-2847",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2009-2847.json",
"version": "2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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