XEN : Security Vulnerabilities, CVEs, Published In 2014 (Denial of service) CVSS score >= 7
The do_mmu_update function in arch/x86/mm.c in Xen 3.2.x through 4.4.x does not properly manage page references, which allows remote domains to cause a denial of service by leveraging control over an HVM guest and a crafted MMU_MACHPHYS_UPDATE.
Max CVSS
7.1
EPSS Score
0.29%
Published
2014-11-24
Updated
2018-10-30
The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors.
Max CVSS
8.3
EPSS Score
0.38%
Published
2014-10-02
Updated
2018-10-30
The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.
Max CVSS
8.3
EPSS Score
0.38%
Published
2014-01-26
Updated
2018-01-03
The get_free_port function in Xen allows local authenticated DomU users to cause a denial of service or possibly gain privileges via unspecified vectors involving a new event channel port.
Max CVSS
7.7
EPSS Score
0.04%
Published
2014-01-07
Updated
2015-09-03
4 vulnerabilities found