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  • Results Type: Overview
  • Keyword (text search): cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:x86:*:*
There are 196 matching records.
Displaying matches 141 through 160.
Vuln ID Summary CVSS Severity
CVE-2015-0361

Use-after-free vulnerability in Xen 4.2.x, 4.3.x, and 4.4.x allows remote domains to cause a denial of service (system crash) via a crafted hypercall during HVM guest teardown.

Published: January 07, 2015; 2:59:05 PM -0500
V3.x:(not available)
V2.0: 7.8 HIGH
CVE-2014-9066

Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability than CVE-2014-9065.

Published: December 09, 2014; 6:59:09 PM -0500
V3.x:(not available)
V2.0: 4.7 MEDIUM
CVE-2014-9065

common/spinlock.c in Xen 4.4.x and earlier does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability to CVE-2014-9066.

Published: December 09, 2014; 6:59:08 PM -0500
V3.x:(not available)
V2.0: 4.4 MEDIUM
CVE-2014-8866

The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.

Published: December 01, 2014; 10:59:08 AM -0500
V3.x:(not available)
V2.0: 4.7 MEDIUM
CVE-2014-9030

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.

Published: November 24, 2014; 10:59:19 AM -0500
V3.x:(not available)
V2.0: 7.1 HIGH
CVE-2014-8595

arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.

Published: November 19, 2014; 1:59:11 PM -0500
V3.x:(not available)
V2.0: 1.9 LOW
CVE-2014-8594

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

Published: November 19, 2014; 1:59:10 PM -0500
V3.x:(not available)
V2.0: 5.4 MEDIUM
CVE-2014-7188

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.

Published: October 02, 2014; 10:55:05 AM -0400
V3.x:(not available)
V2.0: 8.3 HIGH
CVE-2014-7156

The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.

Published: October 02, 2014; 10:55:05 AM -0400
V3.x:(not available)
V2.0: 3.3 LOW
CVE-2014-7155

The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.

Published: October 02, 2014; 10:55:05 AM -0400
V3.x:(not available)
V2.0: 5.8 MEDIUM
CVE-2014-7154

Race condition in HVMOP_track_dirty_vram in Xen 4.0.0 through 4.4.x does not ensure possession of the guarding lock for dirty video RAM tracking, which allows certain local guest domains to cause a denial of service via unspecified vectors.

Published: October 02, 2014; 10:55:05 AM -0400
V3.x:(not available)
V2.0: 6.1 MEDIUM
CVE-2014-5149

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.

Published: August 22, 2014; 10:55:08 AM -0400
V3.x:(not available)
V2.0: 4.7 MEDIUM
CVE-2014-5146

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.

Published: August 22, 2014; 10:55:08 AM -0400
V3.x:(not available)
V2.0: 4.7 MEDIUM
CVE-2014-4021

Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors.

Published: June 18, 2014; 3:55:04 PM -0400
V3.x:(not available)
V2.0: 2.7 LOW
CVE-2014-3968

The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x allows local guest HVM administrators to cause a denial of service (host crash) via a large number of crafted requests, which trigger an error messages to be logged.

Published: June 05, 2014; 4:55:06 PM -0400
V3.x:(not available)
V2.0: 5.5 MEDIUM
CVE-2014-3967

The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x does not properly check the return value from the IRQ setup check, which allows local HVM guest administrators to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors.

Published: June 05, 2014; 4:55:06 PM -0400
V3.x:(not available)
V2.0: 5.5 MEDIUM
CVE-2014-3124

The HVMOP_set_mem_type control in Xen 4.1 through 4.4.x allows local guest HVM administrators to cause a denial of service (hypervisor crash) or possibly execute arbitrary code by leveraging a separate qemu-dm vulnerability to trigger invalid page table translations for unspecified memory page types.

Published: May 07, 2014; 6:55:07 AM -0400
V3.x:(not available)
V2.0: 6.7 MEDIUM
CVE-2014-1896

The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."

Published: April 01, 2014; 2:35:53 AM -0400
V3.x:(not available)
V2.0: 4.9 MEDIUM
CVE-2014-1895

Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.

Published: April 01, 2014; 2:35:53 AM -0400
V3.x:(not available)
V2.0: 5.8 MEDIUM
CVE-2014-1891

Multiple integer overflows in the (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3) FLASK_USER, and (4) FLASK_CONTEXT_TO_SID suboperations in the flask hypercall in Xen 4.3.x, 4.2.x, 4.1.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1892, CVE-2014-1893, and CVE-2014-1894.

Published: April 01, 2014; 2:35:53 AM -0400
V3.x:(not available)
V2.0: 5.2 MEDIUM