CVE-2012-2745

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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": "A414BCFE-F436-4E67-BF24-05766DA92376", "versionEndIncluding": "3.3.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.3:*:*:*:*:*:*:*", "matchCriteriaId": "AFB76697-1C2F-48C0-9B14-517EC053D4B3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc1:*:*:*:*:*:*", "matchCriteriaId": "BED88DFD-1DC5-4505-A441-44ECDEF0252D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc2:*:*:*:*:*:*", "matchCriteriaId": "DBFD2ACD-728A-4082-BB6A-A1EF6E58E47D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc3:*:*:*:*:*:*", "matchCriteriaId": "C31B0E51-F62D-4053-B04F-FC4D5BC373D2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc4:*:*:*:*:*:*", "matchCriteriaId": "A914303E-1CB6-4AAD-9F5F-DE5433C4E814", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc5:*:*:*:*:*:*", "matchCriteriaId": "203BBA69-90B2-4C5E-8023-C14180742421", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc6:*:*:*:*:*:*", "matchCriteriaId": "0DBFAB53-B889-4028-AC0E-7E165B152A18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.3:rc7:*:*:*:*:*:*", "matchCriteriaId": "FE409AEC-F677-4DEF-8EB7-2C35809043CE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The copy_creds function in kernel/cred.c in the Linux kernel before 3.3.2 provides an invalid replacement session keyring to a child process, which allows local users to cause a denial of service (panic) via a crafted application that uses the fork system call."}, {"lang": "es", "value": "La funci\u00f3n copy_creds en kernel/cred.c en el kernel de Linux anteriores a v3.3.2 ofrece un reemplazo invalido de claves de sesi\u00f3n a un proceso hijo, permitiendo a usuarios locales causar una denegaci\u00f3n de servicio a trav\u00e9s de una aplicaci\u00f3n especialmente dise\u00f1ada que utiliza la llamada al sistema fork"}], "id": "CVE-2012-2745", "lastModified": "2026-06-16T23:42:01.473", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-08-09T10:29:47.027", "references": [{"source": 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{"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/54365"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1027236"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-1567-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-1597-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-1606-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833428"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c33"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2012:1064", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-279.1.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-07-10T00:00:00Z"}], "bugzilla": {"description": "kernel: cred: copy_process() should clear child->replacement_session_keyring", "id": "833428", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833428"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["The copy_creds function in kernel/cred.c in the Linux kernel before 3.3.2 provides an invalid replacement session keyring to a child process, which allows local users to cause a denial of service (panic) via a crafted application that uses the fork system call."], "name": "CVE-2012-2745", "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:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2012-07-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2745\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2745"], "statement": "This issue did not affect the versions of the Linux kernel as shipped with Red \nHat Enterprise Linux 5 as they did not include support for \nKEYCTL_SESSION_TO_PARENT keyctl IOCTL as introduced in upstream commit ee18d64c. \nThis issue did not affect the versions of the Linux kernel as shipped with Red \nHat Enterprise Linux MRG 2 as they already contain the fix.\nThis issue was addressed in Red Hat Enterprise Linux 6 via RHSA-2012:1064 https://rhn.redhat.com/errata/RHSA-2012-1064.html.", "threat_severity": "Moderate"}

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