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kill_something_info function in kernel/signal.c in the Linux kernel before 2.6.28 does not consider PID namespaces when processing signals directed to PID -1, which allows local users to bypass the intended namespace isolation, and send arbitrary signals to all processes in all namespaces, via a kill command."}, {"lang": "es", "value": "La funci\u00f3n kill_something_info function en kernel/signal.c en el n\u00facleo de Linux versiones anteriores a v2.6.28 no considera namespaces PID cuando est\u00e1 procesando se\u00f1ales dirigidas a PID -1, lo cual permite a atacantes remotos evitar namespace aislados, y env\u00eda se\u00f1ales de su elecci\u00f3n a todos los procesos en todos los namespaces, a trav\u00e9s del comando kill."}], "id": "CVE-2009-1338", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": true, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-04-22T15:30:00.217", "references": [{"source": "cve@mitre.org", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d25141a818383b3c3b09f065698c544a7a0ec6e7"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://lkml.org/lkml/2008/7/23/148"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/34981"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/35120"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/35121"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/35343"}, {"source": 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"http://www.ubuntu.com/usn/usn-793-1"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=496031"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/50386"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d25141a818383b3c3b09f065698c544a7a0ec6e7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://lkml.org/lkml/2008/7/23/148"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/34981"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/35120"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/35121"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/35343"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/35656"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://wiki.rpath.com/Advisories:rPSA-2009-0084"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2009/dsa-1787"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2009/dsa-1800"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2009/04/16/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2009/04/17/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2009/04/21/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2009-1081.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/503610/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/usn-793-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=496031"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/50386"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and 5.\n\nIt was addressed in Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2009-1081.html .", "lastModified": "2009-09-10T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2009:1081", "cpe": "cpe:/a:redhat:enterprise_mrg:1::el5", "package": "kernel-rt-0:2.6.24.7-117.el5rt", "product_name": "MRG for RHEL-5", "release_date": "2009-06-03T00:00:00Z"}], "bugzilla": {"description": "kernel: 'kill sig -1' must only apply to caller's pid namespace", "id": "496031", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=496031"}, "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 kill_something_info function in kernel/signal.c in the Linux kernel before 2.6.28 does not consider PID namespaces when processing signals directed to PID -1, which allows local users to bypass the intended namespace isolation, and send arbitrary signals to all processes in all namespaces, via a kill command."], "name": "CVE-2009-1338", "public_date": "2008-10-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-1338\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-1338"], "statement": "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and 5.", "threat_severity": "Moderate"}

{}