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{"acknowledgement": "Red Hat would like to thank Lars Bull (Google) and Nadav Amit for reporting this issue.", "affected_release": [{"advisory": "RHSA-2015:0869", "cpe": "cpe:/a:redhat:rhel_virtualization:5", "package": "kvm-0:83-270.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2015-04-22T00:00:00Z"}], "bugzilla": {"description": "kernel: kvm: noncanonical MSR writes", "id": "1144883", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1144883"}, "csaw": false, "cvss": {"cvss_base_score": "5.5", "cvss_scoring_vector": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "status": "verified"}, "cwe": "CWE-248", "details": ["The WRMSR processing functionality in the KVM subsystem in the Linux kernel through 3.17.2 does not properly handle the writing of a non-canonical address to a model-specific register, which allows guest OS users to cause a denial of service (host OS crash) by leveraging guest OS privileges, related to the wrmsr_interception function in arch/x86/kvm/svm.c and the handle_wrmsr function in arch/x86/kvm/vmx.c.", "It was found that KVM's Write to Model Specific Register (WRMSR) instruction emulation would write non-canonical values passed in by the guest to certain MSRs in the host's context. A privileged guest user could use this flaw to crash the host."], "name": "CVE-2014-3610", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2014-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-3610\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-3610"], "statement": "This issue does not affect Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and 7. Future kvm package updates for Red Hat Enterprise Linux 5 may address this issue.", "threat_severity": "Important"}