Citrix Xenserver

51 CVEs affecting Citrix Xenserver. Latest disclosed: 2024-06-13. Critical: 3, High: 19.

Top CVEs affecting Citrix Xenserver
CVESeverityScorePublishedSummary
CVE-2018-14007Critical9.82018-08-15Citrix XenServer 7.1 and newer allows Directory Traversal.
CVE-2015-7705Critical9.82017-08-07The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of crafted re…
CVE-2016-5302Critical9.82016-06-13Citrix XenServer 7.0 before Hotfix XS70E003, when a deployment has been upgraded from an earlier release, might allow remote attackers on the management networ…
CVE-2017-12137High8.82017-08-24arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
CVE-2017-12135High8.82017-08-24Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transiti…
CVE-2017-12134High8.82017-08-24The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently…
CVE-2016-9383High8.82017-01-23Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a den…
CVE-2016-6258High8.82016-08-02The 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-pa…
CVE-2016-3710High8.82016-05-11The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary co…
CVE-2015-8555High8.62016-04-13Xen 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…
CVE-2016-9379High7.92017-01-23The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbit…
CVE-2012-4606High7.82020-01-23Citrix XenServer 4.1, 6.0, 5.6 SP2, 5.6 Feature Pack 1, 5.6 Common Criteria, 5.6, 5.5, 5.0, and 5.0 Update 3 contains a Local Privilege Escalation Vulnerabilit…
CVE-2018-19962High7.82018-12-08An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings ar…
CVE-2018-19961High7.82018-12-08An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not alwa…
CVE-2018-8897High7.82018-05-08A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manual (SDM) was mishandled in the development of some…
CVE-2017-12136High7.82017-08-24Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and h…
CVE-2016-9386High7.82017-01-23The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges…
CVE-2016-9382High7.82017-01-23Xen 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 serv…
CVE-2015-7704High7.52017-08-07The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service via a number of crafted "KOD" messages.
CVE-2016-9637High7.52017-02-17The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to…