CVE-2011-2525

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2010-05-21T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc structures, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a crafted call."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2014-01-07T19:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720552"}, {"name": "RHSA-2011:1065", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1065.html"}, {"name": "[netdev] 20100521 tc: RTM_GETQDISC causes kernel OOPS", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35"}, {"name": "RHSA-2011:1163", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1163.html"}, {"name": "[oss-security] 20110712 CVE-2011-2525 kernel: kernel: net_sched: fix qdisc_notify()", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://openwall.com/lists/oss-security/2011/07/12/1"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:00:34.271Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720552"}, {"name": "RHSA-2011:1065", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1065.html"}, {"name": "[netdev] 20100521 tc: RTM_GETQDISC causes kernel OOPS", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35"}, {"name": "RHSA-2011:1163", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1163.html"}, {"name": "[oss-security] 20110712 CVE-2011-2525 kernel: kernel: net_sched: fix qdisc_notify()", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://openwall.com/lists/oss-security/2011/07/12/1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-2525", "datePublished": "2012-02-02T02:00:00.000Z", "dateReserved": "2011-06-15T00:00:00.000Z", "dateUpdated": "2024-08-06T23:00:34.271Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"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": "ABBE25DF-453B-47E6-A6ED-6984E7576F69", "versionEndExcluding": "2.6.35", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*", "matchCriteriaId": "6172AF57-B26D-45F8-BE3A-F75ABDF28F49", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc structures, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a crafted call."}, {"lang": "es", "value": "La funci\u00f3n qdisc_notify de net/sched/sch_api.c del kernel de Linux en versiones anteriores a la 2.6.35 no previene que la funci\u00f3n tc_fill_qdisc haga referencia a estructuras Qdisc (CQ_F_BUILTIN) pre-constru\u00eddas, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (resoluci\u00f3n de puntero NULL y OOPS) o posiblemente tener otros impactos sin especificar a trav\u00e9s de una llamada modificada."}], "id": "CVE-2011-2525", "lastModified": "2026-06-16T23:31:30.943", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2012-02-02T04:09:47.737", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2011/07/12/1"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1065.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1163.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720552"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2011/07/12/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1065.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2011-1163.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720552"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:1065", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-274.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-07-21T00:00:00Z"}, {"advisory": "RHSA-2011:1163", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-238.21.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-08-16T00:00:00Z"}], "bugzilla": {"description": "kernel: kernel: net_sched: fix qdisc_notify()", "id": "720552", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720552"}, "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"}, "details": ["The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc structures, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a crafted call."], "name": "CVE-2011-2525", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:rhel_eus:5.6", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux Extended Update Support 5.6"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2010-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2525\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2525"], "statement": "This flaw affects Red Hat Enterprise Linux 4 and 5. It did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as they have already backported the upstream commit 53b0f080 that addressed this flaw. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1065.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"}

{}