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XEN : Security Vulnerabilities Published In 2013 (Denial Of Service)

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2013-6400 264 DoS +Priv 2013-12-13 2014-04-19
6.8
None Local Network High Not required Complete Complete Complete
Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.
2 CVE-2013-6375 264 DoS +Priv 2013-11-23 2014-01-03
7.9
None Local Network Medium Not required Complete Complete Complete
Xen 4.2.x and 4.3.x, when using Intel VT-d for PCI passthrough, does not properly flush the TLB after clearing a present translation table entry, which allows local guest administrators to cause a denial of service or gain privileges via unspecified vectors related to an "inverted boolean parameter."
3 CVE-2013-4553 119 DoS Overflow 2013-12-24 2014-12-11
5.2
None Local Network Medium Single system None None Complete
The XEN_DOMCTL_getmemlist hypercall in Xen 3.4.x through 4.3.x (possibly 4.3.1) does not always obtain the page_alloc_lock and mm_rwlock in the same order, which allows local guest administrators to cause a denial of service (host deadlock).
4 CVE-2013-4551 20 DoS 2013-11-17 2014-01-03
5.7
None Local Network Medium Not required None None Complete
Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of service (host crash) via unspecified vectors related to "guest VMX instruction execution."
5 CVE-2013-4494 20 DoS 2013-11-02 2014-12-11
5.2
None Local Network Medium Single system None None Complete
Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.
6 CVE-2013-4416 119 DoS Overflow 2013-11-02 2014-01-27
5.2
None Local Network Medium Single system None None Complete
The Ocaml xenstored implementation (oxenstored) in Xen 4.1.x, 4.2.x, and 4.3.x allows local guest domains to cause a denial of service (domain shutdown) via a large message reply.
7 CVE-2013-4371 399 DoS Exec Code Mem. Corr. 2013-10-17 2013-10-18
4.4
None Local Medium Not required Partial Partial Partial
Use-after-free vulnerability in the libxl_list_cpupool function in the libxl toolstack library in Xen 4.2.x and 4.3.x, when running "under memory pressure," returns the original pointer when the realloc function fails, which allows local users to cause a denial of service (heap corruption and crash) and possibly execute arbitrary code via unspecified vectors.
8 CVE-2013-4370 119 DoS Exec Code Overflow Mem. Corr. 2013-10-17 2013-10-18
4.6
None Local Low Not required Partial Partial Partial
The ocaml binding for the xc_vcpu_getaffinity function in Xen 4.2.x and 4.3.x frees certain memory that may still be intended for use, which allows local users to cause a denial of service (heap corruption and crash) and possibly execute arbitrary code via unspecified vectors that trigger a (1) use-after-free or (2) double free.
9 CVE-2013-4369 DoS 2013-10-17 2013-10-30
1.9
None Local Medium Not required None None Partial
The xlu_vif_parse_rate function in the libxlu library in Xen 4.2.x and 4.3.x allows local users to cause a denial of service (NULL pointer dereference) by using the "@" character as the VIF rate configuration.
10 CVE-2013-4356 264 DoS 2013-10-09 2013-10-10
5.4
None Local Network Medium Not required Partial Partial Partial
Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service (crash).
11 CVE-2013-4329 264 DoS +Priv 2013-09-12 2014-12-11
6.5
None Local Network High Single system Complete Complete Complete
The xenlight library (libxl) in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides access to a busmastering-capable PCI passthrough device before the IOMMU setup is complete, which allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction.
12 CVE-2013-3495 264 DoS 2013-08-28 2013-10-07
4.7
None Local Medium Not required None None Complete
The Intel VT-d Interrupt Remapping engine in Xen 3.3.x through 4.3.x allows local guests to cause a denial of service (kernel panic) via a malformed Message Signaled Interrupt (MSI) from a PCI device that is bus mastering capable that triggers a System Error Reporting (SERR) Non-Maskable Interrupt (NMI).
13 CVE-2013-2212 119 DoS Overflow 2013-08-28 2014-04-19
5.7
None Local Network Medium Not required None None Complete
The vmx_set_uc_mode function in Xen 3.3 through 4.3, when disabling chaches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service (CPU consumption and possibly hypervisor or guest kernel panic) via a crafted GFN range.
14 CVE-2013-2078 20 DoS 2013-08-14 2014-12-11
4.7
None Local Medium Not required None None Complete
Xen 4.0.2 through 4.0.4, 4.1.x, and 4.2.x allows local PV guest users to cause a denial of service (hypervisor crash) via certain bit combinations to the XSETBV instruction.
15 CVE-2013-2077 264 DoS 2013-08-28 2014-12-11
5.2
None Local Network Medium Single system None None Complete
Xen 4.0.x, 4.1.x, and 4.2.x does not properly restrict the contents of a XRSTOR, which allows local PV guest users to cause a denial of service (unhandled exception and hypervisor crash) via unspecified vectors.
16 CVE-2013-2072 119 DoS Overflow +Priv Mem. Corr. 2013-08-28 2014-12-06
7.4
None Local Network Medium Single system Complete Complete Complete
Buffer overflow in the Python bindings for the xc_vcpu_setaffinity call in Xen 4.0.x, 4.1.x, and 4.2.x allows local administrators with permissions to configure VCPU affinity to cause a denial of service (memory corruption and xend toolstack crash) and possibly gain privileges via a crafted cpumap.
17 CVE-2013-1964 264 DoS +Info 2013-05-21 2014-04-19
6.9
None Local Medium Not required Complete Complete Complete
Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service (host crash), obtain sensitive information, or possible have other impacts via unspecified vectors.
18 CVE-2013-1952 20 DoS 2013-05-13 2014-04-19
1.9
None Local Medium Not required None None Partial
Xen 4.x, when using Intel VT-d for a bus mastering capable PCI device, does not properly check the source when accessing a bridge device's interrupt remapping table entries for MSI interrupts, which allows local guest domains to cause a denial of service (interrupt injection) via unspecified vectors.
19 CVE-2013-1919 264 DoS 2013-05-13 2014-04-19
4.7
None Local Medium Not required None None Complete
Xen 4.2.x and 4.1.x does not properly restrict access to IRQs, which allows local stub domain clients to gain access to IRQs and cause a denial of service via vectors related to "passed-through IRQs or PCI devices."
20 CVE-2013-1918 119 DoS Overflow 2013-05-13 2014-04-19
4.7
None Local Medium Not required None None Complete
Certain page table manipulation operations in Xen 4.1.x, 4.2.x, and earlier are not preemptible, which allows local PV kernels to cause a denial of service via vectors related to "deep page table traversal."
21 CVE-2013-1917 20 DoS 2013-05-13 2014-04-19
1.9
None Local Medium Not required None None Partial
Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service (hypervisor crash) by triggering a #GP fault, which is not properly handled by another IRET instruction.
22 CVE-2013-1432 399 DoS +Priv 2013-08-28 2014-12-11
7.4
None Local Network Medium Single system Complete Complete Complete
Xen 4.1.x and 4.2.x, when the XSA-45 patch is in place, does not properly maintain references on pages stored for deferred cleanup, which allows local PV guest kernels to cause a denial of service (premature page free and hypervisor crash) or possible gain privileges via unspecified vectors.
23 CVE-2013-0231 119 DoS Overflow 2013-02-12 2013-06-20
4.9
None Local Low Not required None None Complete
The pciback_enable_msi function in the PCI backend driver (drivers/xen/pciback/conf_space_capability_msi.c) in Xen for the Linux kernel 2.6.18 and 3.8 allows guest OS users with PCI device access to cause a denial of service via a large number of kernel log messages. NOTE: some of these details are obtained from third party information.
24 CVE-2013-0215 264 DoS 2013-03-07 2013-10-10
4.3
None Local Network Medium Not required Partial None Partial
oxenstored in Xen 4.1.x, Xen 4.2.x, and xen-unstable does not properly consider the state of the Xenstore ring during read operations, which allows guest OS users to cause a denial of service (daemon crash and host-control outage, or memory consumption) or obtain sensitive control-plane data by leveraging guest administrative access.
25 CVE-2013-0154 DoS 2013-01-11 2014-04-19
1.9
None Local Medium Not required None None Partial
The get_page_type function in xen/arch/x86/mm.c in Xen 4.2, when debugging is enabled, allows local PV or HVM guest administrators to cause a denial of service (assertion failure and hypervisor crash) via unspecified vectors related to a hypercall.
26 CVE-2013-0153 DoS 2013-02-14 2014-04-19
4.7
None Local Medium Not required None None Complete
The AMD IOMMU support in Xen 4.2.x, 4.1.x, 3.3, and other versions, when using AMD-Vi for PCI passthrough, uses the same interrupt remapping table for the host and all guests, which allows guests to cause a denial of service by injecting an interrupt into other guests.
27 CVE-2013-0152 399 DoS 2013-02-12 2013-10-10
4.7
None Local Medium Not required None None Complete
Memory leak in Xen 4.2 and unstable allows local HVM guests to cause a denial of service (host memory consumption) by performing nested virtualization in a way that triggers errors that are not properly handled.
28 CVE-2013-0151 264 DoS 2013-03-07 2013-10-10
4.6
None Local Network High Not required None None Complete
The do_hvm_op function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x86_32 platform does not prevent HVM_PARAM_NESTEDHVM (aka nested virtualization) operations, which allows guest OS users to cause a denial of service (long-duration page mappings and host OS crash) by leveraging administrative access to an HVM guest in a domain with a large number of VCPUs.
29 CVE-2012-5634 16 DoS 2013-02-14 2014-04-19
6.1
None Local Network Low Not required None None Complete
Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a denial of service to other guests by injecting an interrupt.
30 CVE-2011-2901 399 DoS 2013-10-01 2013-12-30
5.5
None Local Network Low Single system None None Complete
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.
Total number of vulnerabilities : 30   Page : 1 (This Page)
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