CVE-2014-0205

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"EE4657B8-B691-4833-8546-220AD2BA8A7D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.36.3:*:*:*:*:*:*:*", "matchCriteriaId": "A2455F37-66D8-4BE1-8739-1A20A2E5375D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The futex_wait function in kernel/futex.c in the Linux kernel before 2.6.37 does not properly maintain a certain reference count during requeue operations, which allows local users to cause a denial of service (use-after-free and system crash) or possibly gain privileges via a crafted application that triggers a zero count."}, {"lang": "es", "value": "La funci\u00f3n futex_wait en kernel/futex.c en el kernel de Linux anterior a 2.6.37 no mantiene debidamente cierta cuenta de referencias durante las operaciones de rehacer colas, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n y ca\u00edda del sistema) o posiblemente tener otro impacto no especificado a trav\u00e9s de una aplicaci\u00f3n manipulada que provoca una cuenta a cero."}], "id": "CVE-2014-0205", "lastModified": "2026-06-17T00:02:30.763", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-09-28T19:55:05.550", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ada876a8703f23befbb20a7465a702ee39b1704"}, {"source": 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"http://rhn.redhat.com/errata/RHSA-2014-1365.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2014-1763.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1094455"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://github.com/torvalds/linux/commit/7ada876a8703f23befbb20a7465a702ee39b1704"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Mateusz Guzik (Red Hat).", "affected_release": [{"advisory": "RHSA-2014:1167", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-431.29.2.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2014-09-09T00:00:00Z"}, {"advisory": "RHSA-2014:1763", "cpe": "cpe:/o:redhat:rhel_mission_critical:6.2", "package": "kernel-0:2.6.32-220.56.1.el6", "product_name": "Red Hat Enterprise Linux 6.2 Advanced Update Support", "release_date": "2014-10-30T00:00:00Z"}, {"advisory": "RHSA-2014:1365", "cpe": "cpe:/o:redhat:rhel_eus:6.4", "package": "kernel-0:2.6.32-358.49.1.el6", "product_name": "Red Hat Enterprise Linux 6.4 Extended Update Support", "release_date": "2014-10-07T00:00:00Z"}], "bugzilla": {"description": "kernel: futex: refcount issue in case of requeue", "id": "1094455", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1094455"}, "csaw": false, "cvss": {"cvss_base_score": "6.9", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "status": "verified"}, "cwe": "CWE-682->CWE-416", "details": ["The futex_wait function in kernel/futex.c in the Linux kernel before 2.6.37 does not properly maintain a certain reference count during requeue operations, which allows local users to cause a denial of service (use-after-free and system crash) or possibly gain privileges via a crafted application that triggers a zero count.", "A flaw was found in the way the Linux kernel's futex subsystem handled reference counting when requeuing futexes during futex_wait(). A local, unprivileged user could use this flaw to zero out the reference counter of an inode or an mm struct that backs up the memory area of the futex, which could lead to a use-after-free flaw, resulting in a system crash or, potentially, privilege escalation."], "name": "CVE-2014-0205", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:rhel_eus:6.3", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux Extended Update Support 6.3"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2014-09-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-0205\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-0205"], "statement": "This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG-2.\nFuture Linux kernel updates for Red Hat Enterprise Linux 6 may address this issue.", "threat_severity": "Important"}

{}