CVE-2011-4131

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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:3.2:*:*:*:*:*:*:*", "matchCriteriaId": "D3220B70-917F-4F9F-8A3B-2BF581281E8D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*", "matchCriteriaId": "99372D07-C06A-41FA-9843-6D57F99AB5AF", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*", "matchCriteriaId": "2B9DC110-D260-4DB4-B8B0-EF1D160ADA07", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*", "matchCriteriaId": "6192FE84-4D53-40D4-AF61-78CE7136141A", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*", "matchCriteriaId": "42FEF3CF-1302-45EB-89CC-3786FE4BAC1F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*", "matchCriteriaId": "AE6A6B58-2C89-4DE4-BA57-78100818095C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*", "matchCriteriaId": "1D467F87-2F13-4D26-9A93-E0BA526FEA24", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "FE348F7B-02DE-47D5-8011-F83DA9426021", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap sizes in GETACL replies, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words."}, {"lang": "es", "value": "La implementaci\u00f3n de NFSv4 en el n\u00facleo de Linux anteriores a v3.2.2 no maneja adecuadamente los tama\u00f1os de mapa de bits en las respuestas GETACL, lo que permite a servidores remotos NFS causar una denegaci\u00f3n de servicio (oops) mediante el env\u00edo de un n\u00famero excesivo de palabras de mapa de bits."}], "id": "CVE-2011-4131", "lastModified": "2026-06-16T23:34:28.973", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.6, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:H/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.2, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-05-17T11:00:33.007", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bf118a342f10dafe44b14451a1392c3254629a1f"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/081280.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2012-0862.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2012-1541.html"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/48898"}, {"source": "secalert@redhat.com", "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/11/12/1"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=747106"}, {"source": "secalert@redhat.com", "url": 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"http://secunia.com/advisories/48898"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/11/12/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=747106"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/torvalds/linux/commit/bf118a342f10dafe44b14451a1392c3254629a1f"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Andy Adamson for reporting this issue.", "affected_release": [{"advisory": "RHSA-2012:0862", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-279.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-06-19T00:00:00Z"}, {"advisory": "RHSA-2012:1541", "cpe": "cpe:/o:redhat:rhel_eus:6.2", "package": "kernel-0:2.6.32-220.30.1.el6", "product_name": "Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node Only", "release_date": "2012-12-04T00:00:00Z"}, {"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: nfs4_getfacl decoding kernel oops", "id": "747106", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=747106"}, "csaw": false, "cvss": {"cvss_base_score": "4.6", "cvss_scoring_vector": "AV:A/AC:H/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap sizes in GETACL replies, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words."], "name": "CVE-2011-4131", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2011-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4131\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4131"], "statement": "This issue does not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4 as it does not provide support for NFS ACLs. This issue does not affect the Linux kernel as shipped with Red Hat Enterprise Linux 5. This has been addressed in Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2012-0333.html. Future kernel updates in Red Hat Enterprise Linux 6 may address this issue.", "threat_severity": "Moderate"}

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