This page lists publicly disclosed CVE vulnerabilities affecting citrix xenserver (linked via NVD CPE). Each row includes severity scores, summaries, and publication dates to help identify and analyze security issues.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2024-5661 | An issue has been identified in both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR which may allow a malicious administrator of a guest VM to cause the host to become slow and/or unresponsive. | [email protected] | 6.0 | 0.07% | 2024-06-13 | 2024-11-21 |
| CVE-2012-4606 | Citrix 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 Vulnerability which could allow local users with access to a guest operating system to gain elevated privileges. | [email protected] | 7.8 | 0.04% | 2020-01-23 | 2024-11-21 |
| CVE-2014-3798 | The Windows Guest Tools in Citrix XenServer 6.2 SP1 and earlier allows remote attackers to cause a denial of service (guest OS crash) via a crafted Ethernet frame. | [email protected] | 6.5 | 4.53% | 2019-07-11 | 2024-11-21 |
| CVE-2018-19965 | An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation. | [email protected] | 5.6 | 0.18% | 2018-12-08 | 2024-11-21 |
| CVE-2018-19962 | An 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 are unsafely combined into larger ones. | [email protected] | 7.8 | 0.18% | 2018-12-08 | 2024-11-21 |
| CVE-2018-19961 | An 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 always occur after IOMMU mapping changes. | [email protected] | 7.8 | 0.18% | 2018-12-08 | 2024-11-21 |
| CVE-2018-14007 | Citrix XenServer 7.1 and newer allows Directory Traversal. | [email protected] | 9.8 | 38.00% | 2018-08-15 | 2024-11-21 |
| CVE-2016-9603 | A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process. | [email protected] | 5.5 | 0.59% | 2018-07-27 | 2024-11-21 |
| CVE-2017-2620 | Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process. | [email protected] | 5.5 | 2.41% | 2018-07-27 | 2024-11-21 |
| CVE-2017-2615 | Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host. | [email protected] | 5.5 | 1.01% | 2018-07-03 | 2024-11-21 |
| CVE-2018-3665 | System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors may potentially allow a local process to infer data from another process through a speculative execution side channel. | [email protected] | 5.6 | 1.83% | 2018-06-21 | 2024-11-21 |
| CVE-2018-8897 | A 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 or all operating-system kernels, resulting in unexpected behavior for #DB exceptions that are deferred by MOV SS or POP SS, as demonstrated by (for example) privilege escalation in Windows, macOS, some Xen configurations, or FreeBSD, or a Linux kernel crash. The MOV to SS and POP SS instructions inhibit interrupts (including NMIs), data b | [email protected] | 7.8 | 24.72% | 2018-05-08 | 2024-11-21 |
| CVE-2017-12137 | arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref. | [email protected] | 8.8 | 0.05% | 2017-08-24 | 2026-05-13 |
| CVE-2017-12136 | Race 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 host crash) or gain privileges on the host via vectors involving maptrack free list handling. | [email protected] | 7.8 | 0.03% | 2017-08-24 | 2026-05-13 |
| CVE-2017-12135 | Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants. | [email protected] | 8.8 | 0.13% | 2017-08-24 | 2026-05-13 |
| CVE-2017-12134 | The 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 obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation. | [email protected] | 8.8 | 0.29% | 2017-08-24 | 2026-05-13 |
| CVE-2015-7705 | The 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 requests. | [email protected] | 9.8 | 17.37% | 2017-08-07 | 2026-05-13 |
| CVE-2015-7704 | The 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. | [email protected] | 7.5 | 21.46% | 2017-08-07 | 2026-05-13 |
| CVE-2016-9637 | The (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 gain qemu process privileges via vectors involving an out-of-range ioport access. | [email protected] | 7.5 | 0.09% | 2017-02-17 | 2026-05-13 |
| CVE-2017-5573 | An issue was discovered in Linux Foundation xapi in Citrix XenServer through 7.0. An authenticated read-only administrator can cancel tasks of other administrators. | [email protected] | 4.9 | 0.39% | 2017-01-30 | 2026-05-13 |