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kernel/posix-cpu-timers.c, and the selection of a new thread group leader in the de_thread function in fs/exec.c."}, {"lang": "es", "value": "Una condici\u00f3n de carrera en la funci\u00f3n __exit_signal en kernel/exit.c en el kernel de Linux anterior a v2.6.37-rc2 permite a usuarios locales causar una denegaci\u00f3n de servicio a trav\u00e9s de vectores relacionados con un exec con multiples hilos, el uso de un l\u00edder de grupo de hilos en kernel/posix- CPU-timers.c, y la selecci\u00f3n de un l\u00edder de grupo de hilos en la funci\u00f3n de_thread en fs/exec.c"}], "id": "CVE-2010-4248", "lastModified": "2026-06-16T23:24:26.043", "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"}, 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{"affected_release": [{"advisory": "RHSA-2011:0330", "cpe": "cpe:/a:redhat:enterprise_mrg:1::el5", "package": "kernel-rt-0:2.6.33.7-rt29.55.el5rt", "product_name": "MRG for RHEL-5", "release_date": "2011-03-10T00:00:00Z"}, {"advisory": "RHSA-2011:0004", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-194.32.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-01-04T00:00:00Z"}, {"advisory": "RHSA-2011:0007", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-71.14.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-01-11T00:00:00Z"}], "bugzilla": {"description": "kernel: posix-cpu-timers: workaround to suppress the problems with mt exec", "id": "656264", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=656264"}, "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": ["Race condition in the __exit_signal function in kernel/exit.c in the Linux kernel before 2.6.37-rc2 allows local users to cause a denial of service via vectors related to multithreaded exec, the use of a thread group leader in kernel/posix-cpu-timers.c, and the selection of a new thread group leader in the de_thread function in fs/exec.c."], "name": "CVE-2010-4248", "public_date": "2010-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-4248\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4248"], "statement": "This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not have support for CPU time clocks for the POSIX clock interface. This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0004.html, https://rhn.redhat.com/errata/RHSA-2011-0007.html and https://rhn.redhat.com/errata/RHSA-2011-0330.html.", "threat_severity": "Moderate"}

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