{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-11-15T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and \"updating a negative key into a fully instantiated key.\""}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2016-08-19T15:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "[linux-kernel] 20111115 [PATCH] KEYS: Fix a NULL pointer deref in the user-defined key type", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lkml.org/lkml/2011/11/15/363"}, {"name": "50755", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/50755"}, {"name": "USN-1328-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1328-1"}, {"name": "USN-1344-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1344-1"}, {"name": "[oss-security] 20111122 Re: CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/11/22/5"}, {"name": "[oss-security] 20111121 CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/11/21/19"}, {"name": "USN-1324-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1324-1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751297"}, {"name": "47754", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/47754"}, {"name": "[oss-security] 20111121 Re: CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/11/22/6"}, {"name": "HPSBGN02970", "tags": ["vendor-advisory", "x_refsource_HP"], "url": "http://marc.info/?l=bugtraq&m=139447903326211&w=2"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T00:01:50.409Z"}, "title": "CVE Program Container", "references": [{"name": "[linux-kernel] 20111115 [PATCH] KEYS: Fix a NULL pointer deref in the user-defined key type", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lkml.org/lkml/2011/11/15/363"}, {"name": "50755", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/50755"}, {"name": "USN-1328-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1328-1"}, {"name": "USN-1344-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1344-1"}, {"name": "[oss-security] 20111122 Re: CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/11/22/5"}, {"name": "[oss-security] 20111121 CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/11/21/19"}, {"name": "USN-1324-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1324-1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751297"}, {"name": "47754", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/47754"}, {"name": "[oss-security] 20111121 Re: CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key type", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/11/22/6"}, {"name": "HPSBGN02970", "tags": ["vendor-advisory", "x_refsource_HP", "x_transferred"], "url": "http://marc.info/?l=bugtraq&m=139447903326211&w=2"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-4110", "datePublished": "2012-01-27T15:00:00.000Z", "dateReserved": "2011-10-18T00:00:00.000Z", "dateUpdated": "2024-08-07T00:01:50.409Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:*", "matchCriteriaId": "0FC560CC-F785-42D5-A25B-1BA02E7AC464", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and \"updating a negative key into a fully instantiated key.\""}, {"lang": "es", "value": "La funci\u00f3n user_update security/keys/user_defined.c en el kernel de Linux v2.6 permite a usuarios locales provocar una denegaci\u00f3n de servicio (desreferencia de puntero a NULL y fallo del kernel) a trav\u00e9s de vectores relacionados con una clave definida por el usuario y la \"actualizaci\u00f3n de una clave negativa en una clave completamente instanciada\"."}], "id": "CVE-2011-4110", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-01-27T15:55:04.360", "references": [{"source": "secalert@redhat.com", "url": "http://marc.info/?l=bugtraq&m=139447903326211&w=2"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/47754"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/11/21/19"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/11/22/5"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/11/22/6"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/50755"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1324-1"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1328-1"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1344-1"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751297"}, {"source": "secalert@redhat.com", "tags": ["Exploit"], "url": "https://lkml.org/lkml/2011/11/15/363"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=bugtraq&m=139447903326211&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/47754"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/11/21/19"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/11/22/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/11/22/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/50755"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-1324-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-1328-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-1344-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751297"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://lkml.org/lkml/2011/11/15/363"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:1479", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-274.12.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-11-29T00:00:00Z"}, {"advisory": "RHSA-2011:1530", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-220.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-12-05T00:00:00Z"}, {"advisory": "RHSA-2012:0116", "cpe": "cpe:/o:redhat:rhel_eus:6.1", "package": "kernel-0:2.6.32-131.25.1.el6", "product_name": "Red Hat Enterprise Linux 6.1 EUS - Server Only", "release_date": "2012-02-15T00:00:00Z"}, {"advisory": "RHSA-2012:0010", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:2.6.33.9-rt31.79.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2012-01-10T00:00:00Z"}, {"advisory": "RHSA-2012:0333", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:3.0.18-rt34.53.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2012-02-23T00:00:00Z"}], "bugzilla": {"description": "kernel: keys: NULL pointer deref in the user-defined key type", "id": "751297", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=751297"}, "csaw": false, "cvss": {"cvss_base_score": "4.9", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "status": "verified"}, "cwe": "CWE-476", "details": ["The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and \"updating a negative key into a fully instantiated key.\""], "name": "CVE-2011-4110", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 4"}], "public_date": "2011-11-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4110\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4110"], "statement": "This issue affects the Linux kernel as shipped with Red Hat Enterprise Linux 4,\n5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1479.html, https://rhn.redhat.com/errata/RHSA-2011-1530.html, and https://rhn.redhat.com/errata/RHSA-2012-0010.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.", "threat_severity": "Moderate"}

{}