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Computer vulnerabilities of Xen

Xen: denial of service via VCPUOP_register_vcpu_info
An attacker, inside a guest system, can trigger a fatal error via VCPUOP_register_vcpu_info() of Xen, in order to trigger a denial of service on the host system...
CERTFR-2020-AVI-414, CVE-2020-15564, DSA-4723-1, FEDORA-2020-76cf2b0f0a, FEDORA-2020-fbc13516af, VIGILANCE-VUL-32741, XSA-327
Xen: denial of service via X86 Dirty VRAM Tracking
An attacker, inside a guest system, can trigger a fatal error via X86 Dirty VRAM Tracking of Xen, in order to trigger a denial of service on the host system...
CERTFR-2020-AVI-414, CERTFR-2020-AVI-418, CTX277456, CVE-2020-15563, DSA-4723-1, FEDORA-2020-76cf2b0f0a, FEDORA-2020-fbc13516af, openSUSE-SU-2020:0965-1, openSUSE-SU-2020:0985-1, SUSE-SU-2020:1886-1, SUSE-SU-2020:1887-1, SUSE-SU-2020:1888-1, SUSE-SU-2020:1889-1, SUSE-SU-2020:1891-1, VIGILANCE-VUL-32739, XSA-319
Xen: denial of service via Event Channel Port Allocation
An attacker, inside a guest system, can trigger a fatal error via Event Channel Port Allocation of Xen, in order to trigger a denial of service on the host system...
CERTFR-2020-AVI-414, CVE-2020-15566, DSA-4723-1, FEDORA-2020-76cf2b0f0a, FEDORA-2020-fbc13516af, openSUSE-SU-2020:0965-1, openSUSE-SU-2020:0985-1, SUSE-SU-2020:1886-1, SUSE-SU-2020:1887-1, SUSE-SU-2020:1888-1, SUSE-SU-2020:1889-1, SUSE-SU-2020:1891-1, VIGILANCE-VUL-32738, XSA-317
Intel Processors: information disclosure via Special Register Buffer Data Sampling
An attacker can bypass access restrictions to data via Special Register Buffer Data Sampling of Intel Processors, in order to obtain sensitive information...
CERTFR-2020-AVI-351, CERTFR-2020-AVI-352, CERTFR-2020-AVI-353, CERTFR-2020-AVI-356, CERTFR-2020-AVI-368, CERTFR-2020-AVI-376, CTX275165, CVE-2020-0543, DLA-2241-1, DLA-2241-2, DLA-2242-1, DLA-2248-1, DSA-4698-1, DSA-4699-1, DSA-4701-1, FEDORA-2020-11ddbfbdf0, FEDORA-2020-3364913ace, FEDORA-2020-e47d28bc2b, FEDORA-2020-e49a911382, FEDORA-2020-e8835a5f8e, HPESBHF04001, INTEL-SA-00320, openSUSE-SU-2020:0791-1, openSUSE-SU-2020:0801-1, openSUSE-SU-2020:0818-1, openSUSE-SU-2020:0965-1, openSUSE-SU-2020:0985-1, RHSA-2020:2431-01, RHSA-2020:2432-01, RHSA-2020:2433-01, RHSA-2020:2677-01, RHSA-2020:2679-01, RHSA-2020:2680-01, RHSA-2020:2706-01, RHSA-2020:2707-01, RHSA-2020:2757-01, RHSA-2020:2758-01, RHSA-2020:2771-01, RHSA-2020:2842-01, SSA:2020-163-01, SUSE-SU-2020:14393-1, SUSE-SU-2020:14394-1, SUSE-SU-2020:1599-1, SUSE-SU-2020:1630-1, SUSE-SU-2020:1632-1, SUSE-SU-2020:1633-1, SUSE-SU-2020:1634-1, SUSE-SU-2020:1663-1, SUSE-SU-2020:2156-1, USN-4385-1, USN-4385-2, USN-4387-1, USN-4388-1, USN-4389-1, USN-4390-1, USN-4391-1, USN-4392-1, USN-4393-1, VIGILANCE-VUL-32486, XSA-320
Xen: denial of service via GNTTABOP_copy
An attacker, inside a guest system, can trigger a fatal error via GNTTABOP_copy() of Xen, in order to trigger a denial of service on the host system...
CERTFR-2020-AVI-205, CERTFR-2020-AVI-213, CTX270837, CVE-2020-11742, DSA-4723-1, FEDORA-2020-295ed0b1e0, FEDORA-2020-cbc3149753, openSUSE-SU-2020:0599-1, SUSE-SU-2020:1124-1, SUSE-SU-2020:1138-1, SUSE-SU-2020:1139-1, SUSE-SU-2020:14444-1, SUSE-SU-2020:1630-1, SUSE-SU-2020:1634-1, VIGILANCE-VUL-32011, XSA-318
Xen: denial of service via GNTTABOP_map_grant
An attacker, inside a guest system, can trigger a fatal error via GNTTABOP_map_grant() of Xen, in order to trigger a denial of service on the host system...
CERTFR-2020-AVI-205, CERTFR-2020-AVI-213, CTX270837, CVE-2020-11743, DSA-4723-1, FEDORA-2020-295ed0b1e0, FEDORA-2020-cbc3149753, openSUSE-SU-2020:0599-1, SUSE-SU-2020:1124-1, SUSE-SU-2020:1138-1, SUSE-SU-2020:1139-1, SUSE-SU-2020:1634-1, VIGILANCE-VUL-32010, XSA-316
Xen: information disclosure via Read-write Unlock Paths
An attacker, inside a guest system, can bypass access restrictions to data via Read-write Unlock Paths of Xen, in order to obtain sensitive information on the host system...
CERTFR-2020-AVI-205, CVE-2020-11739, DSA-4723-1, FEDORA-2020-295ed0b1e0, FEDORA-2020-cbc3149753, openSUSE-SU-2020:0599-1, SUSE-SU-2020:1124-1, SUSE-SU-2020:1138-1, SUSE-SU-2020:1139-1, SUSE-SU-2020:1630-1, SUSE-SU-2020:1634-1, VIGILANCE-VUL-32009, XSA-314
Xen: information disclosure via xenoprof
An attacker, inside a guest system, can bypass access restrictions to data via xenoprof of Xen, in order to obtain sensitive information on the host system...
CERTFR-2020-AVI-205, CERTFR-2020-AVI-213, CTX270837, CVE-2020-11740, CVE-2020-11741, DSA-4723-1, FEDORA-2020-295ed0b1e0, FEDORA-2020-cbc3149753, openSUSE-SU-2020:0599-1, SUSE-SU-2020:1124-1, SUSE-SU-2020:1138-1, SUSE-SU-2020:1139-1, SUSE-SU-2020:14444-1, SUSE-SU-2020:1630-1, SUSE-SU-2020:1634-1, VIGILANCE-VUL-32008, XSA-313
Xen: information disclosure via a side channel
An attacker, inside a guest system, can bypass the virtual memory barriers via a side channel in Xen, in order to get sensitive information from the host system or others guests...
CERTFR-2020-AVI-144, CVE-2020-0551, VIGILANCE-VUL-31763, XSA-315
Xen: information disclosure via ARM ERET Instruction Speculate
An attacker can bypass access restrictions to data via ARM ERET Instruction Speculate of Xen, in order to obtain sensitive information...
CERTFR-2020-AVI-031, FEDORA-2020-2d9a75fadb, VIGILANCE-VUL-31318, XSA-312
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