CVE-2011-2928

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-08-19T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The befs_follow_link function in fs/befs/linuxvfs.c in the Linux kernel before 3.1-rc3 does not validate the length attribute of long symlinks, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) by accessing a long symlink on a malformed Be filesystem."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-09T18:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "[oss-security] 20110819 Re: CVE request: Linux: ZERO_SIZE_PTR dereference for long symlinks in Be FS", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/08/19/5"}, {"tags": ["x_refsource_MISC"], "url": "http://www.pre-cert.de/advisories/PRE-SA-2011-06.txt"}, {"name": "49256", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/49256"}, {"name": "[oss-security] 20110819 CVE request: Linux: ZERO_SIZE_PTR dereference for long symlinks in Be FS", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/08/19/1"}, {"name": "20110819 [PRE-SA-2011-06] Linux kernel: ZERO_SIZE_PTR dereference for long symlinks in Be FS", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/519387/100/0/threaded"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=338d0f0a6fbc82407864606f5b64b75aeb3c70f2"}, {"name": "linux-kernel-be-dos(69343)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69343"}, {"name": "8360", "tags": ["third-party-advisory", "x_refsource_SREASON"], "url": "http://securityreason.com/securityalert/8360"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.1-rc3"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:15:31.676Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20110819 Re: CVE request: Linux: ZERO_SIZE_PTR dereference for long symlinks in Be FS", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/08/19/5"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.pre-cert.de/advisories/PRE-SA-2011-06.txt"}, {"name": "49256", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/49256"}, {"name": "[oss-security] 20110819 CVE request: Linux: ZERO_SIZE_PTR dereference for long symlinks in Be FS", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/08/19/1"}, {"name": "20110819 [PRE-SA-2011-06] Linux kernel: ZERO_SIZE_PTR dereference for long symlinks in Be FS", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/519387/100/0/threaded"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=338d0f0a6fbc82407864606f5b64b75aeb3c70f2"}, {"name": "linux-kernel-be-dos(69343)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69343"}, {"name": "8360", "tags": ["third-party-advisory", "x_refsource_SREASON", "x_transferred"], "url": "http://securityreason.com/securityalert/8360"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.1-rc3"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-2928", "datePublished": "2011-08-29T17:00:00.000Z", "dateReserved": "2011-07-27T00:00:00.000Z", "dateUpdated": "2024-08-06T23:15:31.676Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "156989A4-23D9-434A-B512-9C0F3583D13D", "versionEndExcluding": "3.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.1:-:*:*:*:*:*:*", "matchCriteriaId": "98093688-6D93-4911-8D48-AC4A4619BCED", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "13BBD2A3-AE10-48B9-8776-4FB1CAC37D44", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "B25680CC-8918-4F27-8D7E-A6579215450B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The befs_follow_link function in fs/befs/linuxvfs.c in the Linux kernel before 3.1-rc3 does not validate the length attribute of long symlinks, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) by accessing a long symlink on a malformed Be filesystem."}, {"lang": "es", "value": "La funci\u00f3n befs_follow_link en fs/befs/linuxvfs.c en el Kernel de Linux anterior a v 3.1-rc3 no valida el atributo longitud de enlaces simb\u00f3licos, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (desreferencia a puntero incorrecta y OOPS) accediendo a un largo enlace simb\u00f3lico en un fichero de sistema mal formados."}], "id": "CVE-2011-2928", "lastModified": "2026-06-16T23:32:16.140", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-08-29T17:55:00.830", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=338d0f0a6fbc82407864606f5b64b75aeb3c70f2"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Third Party Advisory"], "url": "http://securityreason.com/securityalert/8360"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.1-rc3"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/08/19/1"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/08/19/5"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Third Party Advisory"], "url": "http://www.pre-cert.de/advisories/PRE-SA-2011-06.txt"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/archive/1/519387/100/0/threaded"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/49256"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69343"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=338d0f0a6fbc82407864606f5b64b75aeb3c70f2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "http://securityreason.com/securityalert/8360"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.1-rc3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/08/19/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/08/19/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "http://www.pre-cert.de/advisories/PRE-SA-2011-06.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/archive/1/519387/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/49256"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69343"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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