fkie_cve-2012-2136
Vulnerability from fkie_nvd
Published
2012-08-09 10:29
Modified
2025-04-11 00:51
Severity ?
Summary
The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "11F3BF95-7AFA-4678-8F7C-1B29BDA05822", "versionEndExcluding": "3.0.37", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8B4D48FD-F61E-4443-A0CD-A7A5D139C6D3", "versionEndExcluding": "3.2.23", "versionStartIncluding": "3.1", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "478D8BEC-1557-40DC-8AB2-42424B19D0A9", "versionEndExcluding": "3.4.5", "versionStartIncluding": "3.3", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device." }, { "lang": "es", "value": "La funci\u00f3n sock_alloc_send_pskb en net/core/sock.c en el kernel de linux anterior a v3.4.5 no valida correctamente ciertos valores de longitud, permitiendo a usuarios locales causar una denegaci\u00f3n de servicio (desbordamiento de b\u00fafer basado en el heap o ca\u00edda del sistema) o ganar privilegios mediante el acceso a un dispositivo TUN/TAP" } ], "id": "CVE-2012-2136", "lastModified": "2025-04-11T00:51:21.963", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": { "accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0" }, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ] }, "published": "2012-08-09T10:29:46.870", "references": [ { "source": "secalert@redhat.com", "tags": [ "Broken Link" ], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html" }, { "source": "secalert@redhat.com", "tags": [ "URL Repurposed" ], "url": "http://secunia.com/advisories/50807" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "http://ubuntu.com/usn/usn-1529-1" }, { "source": "secalert@redhat.com", "tags": [ "Vendor Advisory" ], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securityfocus.com/bid/53721" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-1535-1" }, { "source": "secalert@redhat.com", "tags": [ "Issue Tracking" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289" }, { "source": "secalert@redhat.com", "tags": [ "Exploit", "Patch" ], "url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Broken Link" ], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "URL Repurposed" ], "url": "http://secunia.com/advisories/50807" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://ubuntu.com/usn/usn-1529-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securityfocus.com/bid/53721" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-1535-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Patch" ], "url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc" } ], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-20" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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