CVE-2011-2689

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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": "E0135A6D-9FB7-4E1B-B471-914E37494942", "versionEndExcluding": "3.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.0:-:*:*:*:*:*:*", "matchCriteriaId": "2E4912EC-CC92-41CA-A2DA-027291975A84", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "D30AEC07-3CBD-4F4F-9646-BEAA1D98750B", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "133AAFA7-AF42-4D7B-8822-AA2E85611BF5", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "54D669D4-6D7E-449D-80C1-28FA44F06FFE", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "D0AC5CD5-6E58-433C-9EB3-6DFE5656463E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The gfs2_fallocate function in fs/gfs2/file.c in the Linux kernel before 3.0-rc1 does not ensure that the size of a chunk allocation is a multiple of the block size, which allows local users to cause a denial of service (BUG and system crash) by arranging for all resource groups to have too little free space."}, {"lang": "es", "value": "La funci\u00f3n gfs2_fallocate en fs/gfs2/file.c en el kernel de Linux anterior a v3.0-rc1 no garantiza que el tama\u00f1o de un trozo de asignaci\u00f3n sea un m\u00faltiplo del tama\u00f1o de bloque, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (BUG y ca\u00edda del sistema) mediante la organizaci\u00f3n de todos los grupos de recursos para tener un espacio libre muy reducido."}], "id": "CVE-2011-2689", "lastModified": "2026-06-16T23:31:48.107", "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": "2011-07-28T22:55:02.580", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6905d9e4dda6112f007e9090bca80507da158e63"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], 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{"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-2011:1189", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-131.12.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-08-23T00:00:00Z"}], "bugzilla": {"description": "kernel: gfs2: make sure fallocate bytes is a multiple of blksize", "id": "720861", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720861"}, "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 gfs2_fallocate function in fs/gfs2/file.c in the Linux kernel before 3.0-rc1 does not ensure that the size of a chunk allocation is a multiple of the block size, which allows local users to cause a denial of service (BUG and system crash) by arranging for all resource groups to have too little free space."], "name": "CVE-2011-2689", "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: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": "2011-04-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2689\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2689"], "statement": "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 and Red Hat Enterprise MRG as they did not provide support for the Global File System 2 (GFS2). This has been addressed in Red Hat Enterprise Linux 5 and 6 via https://rhn.redhat.com/errata/RHSA-2011-1065.html and https://rhn.redhat.com/errata/RHSA-2011-1189.html.", "threat_severity": "Moderate"}

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