CVE-2011-2492 (GCVE-0-2011-2492)
Vulnerability from cvelistv5 – Published: 2011-07-28 22:00 – Updated: 2024-08-06 23:00
VLAI
EPSS
VEX
Summary
The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel memory via a crafted getsockopt system call, related to (1) the l2cap_sock_getsockopt_old function in net/bluetooth/l2cap_sock.c and (2) the rfcomm_sock_getsockopt_old function in net/bluetooth/rfcomm/sock.c.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| http://rhn.redhat.com/errata/RHSA-2011-0927.html | vendor-advisoryx_refsource_REDHAT |
| http://git.kernel.org/?p=linux/kernel/git/torvald… | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=703019 | x_refsource_CONFIRM |
| http://www.kernel.org/pub/linux/kernel/v3.0/testi… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2011/06/24/3 | mailing-listx_refsource_MLIST |
| http://securitytracker.com/id?1025778 | vdb-entryx_refsource_SECTRACK |
| http://www.openwall.com/lists/oss-security/2011/06/24/2 | mailing-listx_refsource_MLIST |
| http://permalink.gmane.org/gmane.linux.bluez.kern… | mailing-listx_refsource_MLIST |
| http://marc.info/?l=bugtraq&m=139447903326211&w=2 | vendor-advisoryx_refsource_HP |
Date Public
2011-05-08 00:00
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Entry\"]},{\"url\":\"http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/06/24/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/06/24/3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=703019\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2025-11-21T12:56:32+00:00",
"cve": "CVE-2011-2492",
"id": "CVE-2011-2492",
"initial_release_date": "2011-05-09T00:00:00+00:00",
"product_status:fixed": "124",
"product_status:known_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-2492.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-07-29T00:14:50Z",
"cve": "CVE-2011-2492",
"id": "CVE-2011-2492",
"initial_release_date": "2023-02-15T05:52:32Z",
"product_status:known_not_affected": "495",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-2492",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-2492.json",
"version": "9"
}
}
}
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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