Vulnerabilities > XEN > XEN > 4.9.2
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2019-10-31 | CVE-2019-18421 | Race Condition vulnerability in multiple products An issue was discovered in Xen through 4.12.x allowing x86 PV guest OS users to gain host OS privileges by leveraging race conditions in pagetable promotion and demotion operations. | 7.5 |
| 2019-10-31 | CVE-2019-18420 | Use of Externally-Controlled Format String vulnerability in multiple products An issue was discovered in Xen through 4.12.x allowing x86 PV guest OS users to cause a denial of service via a VCPUOP_initialise hypercall. | 6.5 |
| 2019-10-08 | CVE-2019-17349 | Infinite Loop vulnerability in multiple products An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a LoadExcl or StoreExcl operation. | 5.5 |
| 2019-10-08 | CVE-2019-17348 | Improper Input Validation vulnerability in multiple products An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service because of an incompatibility between Process Context Identifiers (PCID) and shadow-pagetable switching. | 6.5 |
| 2019-10-08 | CVE-2019-17347 | Improper Input Validation vulnerability in multiple products 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). | 7.8 |
| 2019-10-08 | CVE-2019-17346 | Improper Input Validation vulnerability in multiple products 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 of an incompatibility between Process Context Identifiers (PCID) and TLB flushes. | 8.8 |
| 2019-10-08 | CVE-2019-17345 | An issue was discovered in Xen 4.8.x through 4.11.x allowing x86 PV guest OS users to cause a denial of service because mishandling of failed IOMMU operations causes a bug check during the cleanup of a crashed guest. | 4.9 |
| 2019-10-08 | CVE-2019-17344 | Improper Synchronization vulnerability in multiple products An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service by leveraging a long-running operation that exists to support restartability of PTE updates. | 4.9 |
| 2019-10-08 | CVE-2019-17343 | Improper Locking vulnerability in multiple products 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 by leveraging incorrect use of the HVM physmap concept for PV domains. | 4.6 |
| 2019-10-08 | CVE-2019-17342 | Race Condition vulnerability in multiple products 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 by leveraging a race condition that arose when XENMEM_exchange was introduced. | 7.0 |