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xen xen vulnerabilities and exploits
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8.8
CVSSv3
CVE-2017-15592
An issue exists in Xen up to and including 4.9.x allowing x86 HVM guest OS users to cause a denial of service (hypervisor crash) or possibly gain privileges because self-linear shadow mappings are mishandled for translated guests.
Xen Xen
8.8
CVSSv3
CVE-2017-15595
An issue exists in Xen up to and including 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.
Xen Xen
1 EDB exploit
8.8
CVSSv3
CVE-2017-14316
A parameter verification issue exists in Xen up to and including 4.9.x. The function `alloc_heap_pages` allows callers to specify the first NUMA node that should be used for allocations through the `memflags` parameter; the node is extracted using the `MEMF_get_node` macro. While...
Xen Xen
8.8
CVSSv3
CVE-2017-14319
A grant unmapping issue exists in Xen up to and including 4.9.x. When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, ...
Xen Xen
8.8
CVSSv3
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 ...
Xen Xen
Citrix Xenserver 7.0
Citrix Xenserver 6.5
Citrix Xenserver 7.1
Citrix Xenserver 6.2.0
Citrix Xenserver 7.2
Citrix Xenserver 6.0.2
8.8
CVSSv3
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.
Xen Xen
Citrix Xenserver 7.1
Citrix Xenserver 7.2
Citrix Xenserver 6.0.2
Citrix Xenserver 7.0
Citrix Xenserver 6.2.0
Citrix Xenserver 6.5
Debian Debian Linux 9.0
Debian Debian Linux 8.0
8.8
CVSSv3
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.
Xen Xen
Citrix Xenserver 6.0.2
Citrix Xenserver 7.2
Citrix Xenserver 6.2.0
Citrix Xenserver 7.0
Citrix Xenserver 6.5
Citrix Xenserver 7.1
Debian Debian Linux 8.0
Debian Debian Linux 9.0
8.8
CVSSv3
CVE-2017-8904
Xen up to and including 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.
Xen Xen 4.8.1
Xen Xen 4.8.0
1 Github repository
8.8
CVSSv3
CVE-2017-8905
Xen up to and including 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215.
Xen Xen 4.6.0
Xen Xen 4.6.1
Xen Xen 4.6.3
Xen Xen 4.6.5
Xen Xen 4.6.4
Xen Xen 4.6.2
1 Github repository
8.8
CVSSv3
CVE-2017-8903
Xen up to and including 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.
Xen Xen 4.8.1
Xen Xen 4.8.0
1 Github repository
CVSSv3
CVSSv2
CVSSv3
VMScore
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