CVE-2009-1388

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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:2.6.18:*:*:*:*:*:*:*", "matchCriteriaId": "C06F0037-DE20-4B4A-977F-BFCFAB026517", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ptrace_start function in kernel/ptrace.c in the Linux kernel 2.6.18 does not properly handle simultaneous execution of the do_coredump function, which allows local users to cause a denial of service (deadlock) via vectors involving the ptrace system call and a coredumping thread."}, {"lang": "es", "value": "La funci\u00f3n ptrace_start de kernel/ptrace.c en el kernel de Linux v2.6.18, no maneja adecuadamente la ejecuci\u00f3n simult\u00e1nea de la funci\u00f3n do_coredump, esto permite a usuarios locales provocar una denegaci\u00f3n de servicio -bloqueo mutuo (deadlock)- a trav\u00e9s de vectores que incluyen la llamada al sistema ptrace y un hilo coredumping."}], "id": "CVE-2009-1388", "lastModified": "2026-06-16T23:07:10.877", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2009-07-05T16:30:00.313", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch"], "url": "http://marc.info/?l=oss-security&m=124654277229434&w=2"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://osvdb.org/55679"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://secunia.com/advisories/36131"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://secunia.com/advisories/37471"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://www.redhat.com/support/errata/RHSA-2009-1193.html"}, {"source": "secalert@redhat.com", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "url": 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{"affected_release": [{"advisory": "RHSA-2009:1193", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-128.4.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2009-08-04T00:00:00Z"}, {"advisory": "RHSA-2009:1193", "cpe": "cpe:/o:redhat:rhel_eus:5.3", "package": "kernel-0:2.6.18-128.4.1.el5", "product_name": "Red Hat Enterprise Linux 5.3.Z - Server Only", "release_date": "2009-08-04T00:00:00Z"}], "bugzilla": {"description": "kernel: do_coredump() vs ptrace_start() deadlock", "id": "504263", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=504263"}, "csaw": false, "cvss": {"cvss_base_score": "2.1", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["The ptrace_start function in kernel/ptrace.c in the Linux kernel 2.6.18 does not properly handle simultaneous execution of the do_coredump function, which allows local users to cause a denial of service (deadlock) via vectors involving the ptrace system call and a coredumping thread."], "name": "CVE-2009-1388", "public_date": "2009-07-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-1388\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-1388"], "statement": "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG.", "threat_severity": "Moderate"}

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