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  • Keyword (text search): cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*
There are 146 matching records.
Displaying matches 121 through 140.
Vuln ID Summary CVSS Severity
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-2014-8867

The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.

Published: December 01, 2014; 10:59:09 AM -0500
V3.x:(not available)
V2.0: 4.9 MEDIUM
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-2014-2580

The netback driver in Xen, when using certain Linux versions that do not allow sleeping in softirq context, allows local guest administrators to cause a denial of service ("scheduling while atomic" error and host crash) via a malformed packet, which causes a mutex to be taken when trying to disable the interface.

Published: April 15, 2014; 7:13:13 PM -0400
V3.x:(not available)
V2.0: 4.4 MEDIUM
CVE-2014-1894

Multiple integer overflows in unspecified suboperations in the flask hypercall in Xen 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-2014-1891, CVE-2014-1892, and CVE-2014-1893.

Published: April 01, 2014; 2:35:53 AM -0400
V3.x:(not available)
V2.0: 5.2 MEDIUM
CVE-2014-1893

Multiple integer overflows in the (1) FLASK_GETBOOL and (2) FLASK_SETBOOL suboperations in the flask hypercall in Xen 4.1.x, 3.3.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-2014-1891, CVE-2014-1892, and CVE-2014-1894.

Published: April 01, 2014; 2:35:53 AM -0400
V3.x:(not available)
V2.0: 5.2 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
CVE-2011-3346

Buffer overflow in hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2, as used by Xen, might allow local guest users with permission to access the CD-ROM to cause a denial of service (guest crash) via a crafted SAI READ CAPACITY SCSI command. NOTE: this is only a vulnerability when root has manually modified certain permissions or ACLs.

Published: April 01, 2014; 2:35:52 AM -0400
V3.x:(not available)
V2.0: 4.0 MEDIUM
CVE-2011-1936

Xen, when using x86 Intel processors and the VMX virtualization extension is enabled, does not properly handle cpuid instruction emulation when exiting the VM, which allows local guest users to cause a denial of service (guest crash) via unspecified vectors.

Published: January 07, 2014; 2:55:05 PM -0500
V3.x:(not available)
V2.0: 4.6 MEDIUM
CVE-2011-1166

Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial of service (host crash) by specifying user mode execution without user-mode pagetables.

Published: January 07, 2014; 2:55:05 PM -0500
V3.x:(not available)
V2.0: 5.5 MEDIUM
CVE-2011-2519

Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.

Published: December 26, 2013; 8:55:05 PM -0500
V3.x:(not available)
V2.0: 5.5 MEDIUM
CVE-2013-4368

The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.

Published: October 17, 2013; 7:55:04 PM -0400
V3.x:(not available)
V2.0: 1.9 LOW
CVE-2013-4355

Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory.

Published: October 01, 2013; 1:55:03 PM -0400
V3.x:(not available)
V2.0: 1.5 LOW
CVE-2011-2901

Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.

Published: October 01, 2013; 1:55:02 PM -0400
V3.x:(not available)
V2.0: 5.5 MEDIUM
CVE-2013-2196

Multiple unspecified vulnerabilities in the Elf parser (libelf) in Xen 4.2.x and earlier allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel, related to "other problems" that are not CVE-2013-2194 or CVE-2013-2195.

Published: August 23, 2013; 12:55:07 PM -0400
V3.x:(not available)
V2.0: 6.9 MEDIUM
CVE-2013-2195

The Elf parser (libelf) in Xen 4.2.x and earlier allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel, related to "pointer dereferences" involving unexpected calculations.

Published: August 23, 2013; 12:55:07 PM -0400
V3.x:(not available)
V2.0: 6.9 MEDIUM
CVE-2013-2194

Multiple integer overflows in the Elf parser (libelf) in Xen 4.2.x and earlier allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel.

Published: August 23, 2013; 12:55:07 PM -0400
V3.x:(not available)
V2.0: 6.9 MEDIUM
CVE-2012-5515

The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.

Published: December 13, 2012; 6:53:49 AM -0500
V3.x:(not available)
V2.0: 4.7 MEDIUM
CVE-2012-5514

The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.

Published: December 13, 2012; 6:53:49 AM -0500
V3.x:(not available)
V2.0: 4.7 MEDIUM
CVE-2012-5513

The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.

Published: December 13, 2012; 6:53:48 AM -0500
V3.x:(not available)
V2.0: 6.9 MEDIUM