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XEN » XEN » 4.4.1 : Security Vulnerabilities

Cpe Name:cpe:/o:xen:xen:4.4.1
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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-2019-17347 20 DoS +Priv 2019-10-07 2019-10-10
4.6
 None Local Low Not required Partial Partial Partial
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
2 CVE-2019-17340 20 DoS +Priv 2019-10-07 2019-10-10
6.1
 None Local Low Not required Partial Partial Complete
An issue was discovered in Xen through 4.11.x allowing x86 guest OS users to cause a denial of service or gain privileges because grant-table transfer requests are mishandled.
3 CVE-2017-15596 400 DoS 2017-10-18 2017-11-03
4.9
 None Local Low Not required None None Complete
An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.
4 CVE-2017-14431 772 DoS 2017-09-13 2019-10-02
4.9
 None Local Low Not required None None Complete
Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.
5 CVE-2016-9932 200 +Info 2017-01-26 2017-11-03
2.1
 None Local Low Not required Partial None None
CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.
6 CVE-2016-9385 20 DoS 2017-01-23 2017-06-30
4.9
 None Local Low Not required None None Complete
The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks.
7 CVE-2016-9382 264 DoS +Priv 2017-01-23 2017-06-30
4.6
 None Local Low Not required Partial Partial Partial
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.
8 CVE-2016-7154 416 DoS Exec Code +Info 2016-09-21 2017-04-09
7.2
 None Local Low Not required Complete Complete Complete
Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.
9 CVE-2016-6258 284 +Priv 2016-08-02 2017-06-30
7.2
 User Local Low Not required Complete Complete Complete
The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
10 CVE-2016-5242 DoS 2016-06-07 2016-11-28
4.7
 None Local Medium Not required None None Complete
The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.
11 CVE-2016-4963 284 DoS 2016-06-07 2018-09-07
1.9
 None Local Medium Not required None None Partial
The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore.
12 CVE-2016-4962 264 DoS +Priv 2016-06-07 2016-11-28
6.8
 None Local Low Single system Complete Complete Complete
The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore.
13 CVE-2016-1571 17 DoS 2016-01-22 2018-10-30
4.7
 None Local Medium Not required None None Complete
The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.
14 CVE-2016-1570 20 DoS +Priv +Info 2016-01-22 2018-10-30
6.9
 None Local Medium Not required Complete Complete Complete
The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.
15 CVE-2015-8555 200 +Info 2016-04-13 2017-06-30
5.0
 None Remote Low Not required Partial None None
Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and earlier do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vectors.
16 CVE-2015-8341 399 DoS 2015-12-17 2017-06-30
7.8
 None Remote Low Not required None None Complete
The libxl toolstack library in Xen 4.1.x through 4.6.x does not properly release mappings of files used as kernels and initial ramdisks when managing multiple domains in the same process, which allows attackers to cause a denial of service (memory and disk consumption) by starting domains.
17 CVE-2015-8340 17 DoS 2015-12-17 2017-06-30
4.7
 None Local Medium Not required None None Complete
The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.
18 CVE-2015-8339 19 DoS 2015-12-17 2017-06-30
4.7
 None Local Medium Not required None None Complete
The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly hand back pages to a domain, which might allow guest OS administrators to cause a denial of service (host crash) via unspecified vectors related to domain teardown.
19 CVE-2015-8104 399 DoS 2015-11-16 2017-05-23
4.7
 None Local Medium Not required None None Complete
The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #DB (aka Debug) exceptions, related to svm.c.
20 CVE-2015-5307 399 DoS 2015-11-16 2017-05-23
4.9
 None Local Low Not required None None Complete
The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.
21 CVE-2015-3340 200 +Info 2015-04-28 2018-10-30
2.9
 None Local Network Medium Not required Partial None None
Xen 4.2.x through 4.5.x does not initialize certain fields, which allows certain remote service domains to obtain sensitive information from memory via a (1) XEN_DOMCTL_gettscinfo or (2) XEN_SYSCTL_getdomaininfolist request.
22 CVE-2015-3259 264 Overflow +Priv 2015-07-16 2018-10-30
6.8
 None Local Low Single system Complete Complete Complete
Stack-based buffer overflow in the xl command line utility in Xen 4.1.x through 4.5.x allows local guest administrators to gain privileges via a long configuration argument.
23 CVE-2015-1563 399 DoS 2015-02-09 2018-10-30
2.1
 None Local Low Not required None None Partial
The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged.
24 CVE-2015-0361 DoS 2015-01-07 2018-10-30
7.8
 None Remote Low Not required None None Complete
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.
25 CVE-2014-9066 17 DoS 2014-12-09 2018-10-30
4.7
 None Local Medium Not required None None Complete
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.
26 CVE-2014-9065 17 DoS 2014-12-09 2018-10-30
4.4
 None Local Medium Single system None None Complete
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.
27 CVE-2014-9030 20 DoS 2014-11-24 2018-10-30
7.1
 None Remote Medium Not required None None Complete
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.
28 CVE-2014-8867 17 DoS 2014-12-01 2018-10-30
4.9
 None Local Low Not required None None Complete
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.
29 CVE-2014-6268 399 DoS 2015-01-12 2017-09-07
4.9
 None Local Low Not required None None Complete
The evtchn_fifo_set_pending function in Xen 4.4.x allows local guest users to cause a denial of service (host crash) via vectors involving an uninitialized FIFO-based event channel control block when (1) binding or (2) moving an event to a different VCPU.
Total number of vulnerabilities : 29   Page : 1 (This Page)
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