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{"affected_release": [{"advisory": "RHSA-2009:1465", "cpe": "cpe:/a:redhat:rhel_virtualization:5", "package": "kvm-0:83-105.el5_4.7", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2009-09-29T00:00:00Z"}], "bugzilla": {"description": "kernel: KVM: x86: Disallow hypercalls for guest callers in rings > 0", "id": "524124", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=524124"}, "csaw": false, "cvss": {"cvss_base_score": "7.2", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "status": "verified"}, "cwe": "CWE-648", "details": ["The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified \"random addresses.\""], "name": "CVE-2009-3290", "public_date": "2009-08-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-3290\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-3290"], "statement": "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2009-3290\nThis issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG as KVM (Kernel-based Virtual Machine) is only supported in Red Hat Enterprise Linux 5. A future kernel update in Red Hat Enterprise Linux 5 will address this flaw.", "threat_severity": "Important"}