CVE-2010-2521

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Linux kernel before 2.6.34-rc6 allow remote attackers to cause a denial of service (panic) or possibly execute arbitrary code via a crafted NFSv4 compound WRITE request, related to the read_buf and nfsd4_decode_compound functions."}, {"lang": "es", "value": "M\u00faltiples desbordamientos de b\u00fafer en fs/nfsd/nfs4xdr.c en la aplicaci\u00f3n XDR en el servidor NFS del kernel de Linux antes de v2.6.34-rc6 permiten a atacantes remotos provocar una denegaci\u00f3n de servicio (mediante un 'panic' del kernel) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de una petici\u00f3n WRITE de NFSv4 debidamente modificada. El problema esta relacionado con las funciones read_buf y nfsd4_decode_compound."}], "id": "CVE-2010-2521", "lastModified": "2026-06-16T23:20:54.713", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2010-09-07T17:00:01.887", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2bc3c1179c781b359d4f2f3439cb3df72afc17fc"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/43315"}, {"source": "secalert@redhat.com", "url": "http://securitytracker.com/id?1024286"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2010/dsa-2094"}, {"source": "secalert@redhat.com", "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.34/ChangeLog-2.6.34-rc6"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:198"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:051"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2010/07/07/1"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2010/07/09/2"}, {"source": "secalert@redhat.com", "url": "http://www.redhat.com/support/errata/RHSA-2010-0610.html"}, {"source": "secalert@redhat.com", "url": "http://www.redhat.com/support/errata/RHSA-2010-0893.html"}, {"source": "secalert@redhat.com", "url": "http://www.redhat.com/support/errata/RHSA-2010-0907.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/archive/1/516397/100/0/threaded"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/42249"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1000-1"}, {"source": "secalert@redhat.com", "url": "http://www.vmware.com/security/advisories/VMSA-2011-0003.html"}, {"source": "secalert@redhat.com", "url": "http://www.vupen.com/english/advisories/2010/3050"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=612028"}, {"source": "secalert@redhat.com", "url": "https://rhn.redhat.com/errata/RHSA-2010-0606.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2bc3c1179c781b359d4f2f3439cb3df72afc17fc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/43315"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securitytracker.com/id?1024286"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2010/dsa-2094"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.34/ChangeLog-2.6.34-rc6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:198"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:051"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2010/07/07/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2010/07/09/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2010-0610.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2010-0893.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2010-0907.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/516397/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/42249"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-1000-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vmware.com/security/advisories/VMSA-2011-0003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2010/3050"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=612028"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://rhn.redhat.com/errata/RHSA-2010-0606.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2010:0631", "cpe": "cpe:/a:redhat:enterprise_mrg:1::el5", "package": "kernel-rt-0:2.6.24.7-161.el5rt", "product_name": "MRG for RHEL-5", "release_date": "2010-08-17T00:00:00Z"}, {"advisory": "RHSA-2010:0606", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "kernel-0:2.6.9-89.0.28.EL", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2010-08-05T00:00:00Z"}, {"advisory": "RHSA-2010:0610", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-194.11.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2010-08-10T00:00:00Z"}, {"advisory": "RHSA-2010:0893", "cpe": "cpe:/o:redhat:rhel_eus:5.3", "package": "kernel-0:2.6.18-128.26.1.el5", "product_name": "Red Hat Enterprise Linux 5.3.Z - Server Only", "release_date": "2010-11-16T00:00:00Z"}, {"advisory": "RHSA-2010:0907", "cpe": "cpe:/o:redhat:rhel_eus:5.4", "package": "kernel-0:2.6.18-164.30.1.el5", "product_name": "Red Hat Enterprise Linux 5.4.Z - Server Only", "release_date": "2010-11-23T00:00:00Z"}], "bugzilla": {"description": "kernel: nfsd4: bug in read_buf", "id": "612028", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=612028"}, "csaw": false, "cvss": {"cvss_base_score": "8.3", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "status": "verified"}, "cwe": "CWE-119", "details": ["Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel before 2.6.34-rc6 allow remote attackers to cause a denial of service (panic) or possibly execute arbitrary code via a crafted NFSv4 compound WRITE request, related to the read_buf and nfsd4_decode_compound functions."], "name": "CVE-2010-2521", "public_date": "2010-04-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-2521\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-2521"], "statement": "This issue did not affect the versions of the Linux kernel as shipped with Red\nHat Enterprise Linux 3 as it did not include support for Network File System (NFS) version 4. Future updates in Red Hat Enterprise 4, 5, and Red Hat Enterprise MRG may address this flaw.", "threat_severity": "Important"}

{}