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CVE-2019-19581 vulnerabilities and exploits
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2.1
CVSSv2
CVE-2019-19581
An issue exists in Xen up to and including 4.12.x allowing 32-bit Arm guest OS users to cause a denial of service (out-of-bounds access) because certain bit iteration is mishandled. In a number of places bitmaps are being used by the hypervisor to track certain state. Iteration o...
Xen Xen
Fedoraproject Fedora 31
8.5
CVSSv2
CVE-2019-18422
An issue exists in Xen up to and including 4.12.x allowing ARM guest OS users to cause a denial of service or gain privileges by leveraging the erroneous enabling of interrupts. Interrupts are unconditionally unmasked in exception handlers. When an exception occurs on an ARM syst...
Xen Xen
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 29
Fedoraproject Fedora 30
Fedoraproject Fedora 31
8.5
CVSSv2
CVE-2019-18423
An issue exists in Xen up to and including 4.12.x allowing ARM guest OS users to cause a denial of service via a XENMEM_add_to_physmap hypercall. p2m->max_mapped_gfn is used by the functions p2m_resolve_translation_fault() and p2m_get_entry() to sanity check guest physical fra...
Xen Xen
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 29
Fedoraproject Fedora 30
Fedoraproject Fedora 31
7.2
CVSSv2
CVE-2019-19578
An issue exists in Xen up to and including 4.12.x allowing x86 PV guest OS users to cause a denial of service via degenerate chains of linear pagetables, because of an incorrect fix for CVE-2017-15595. "Linear pagetables" is a technique which involves either pointing a ...
Xen Xen
Fedoraproject Fedora 31
7.2
CVSSv2
CVE-2019-19579
An issue exists in Xen up to and including 4.12.x allowing malicious users to gain host OS privileges via DMA in a situation where an untrusted domain has access to a physical device (and assignable-add is not used), because of an incomplete fix for CVE-2019-18424. XSA-302 relies...
Xen Xen
Fedoraproject Fedora 30
2.1
CVSSv2
CVE-2019-19582
An issue exists in Xen up to and including 4.12.x allowing x86 guest OS users to cause a denial of service (infinite loop) because certain bit iteration is mishandled. In a number of places bitmaps are being used by the hypervisor to track certain state. Iteration over all bits i...
Xen Xen
Fedoraproject Fedora 31
4.9
CVSSv2
CVE-2019-17349
An issue exists in Xen up to and including 4.12.x allowing Arm domU malicious users to cause a denial of service (infinite loop) involving a LoadExcl or StoreExcl operation.
Xen Xen
Debian Debian Linux 9.0
Debian Debian Linux 10.0
4.9
CVSSv2
CVE-2019-17350
An issue exists in Xen up to and including 4.12.x allowing Arm domU malicious users to cause a denial of service (infinite loop) involving a compare-and-exchange operation.
Xen Xen
Debian Debian Linux 9.0
Debian Debian Linux 10.0
6.3
CVSSv2
CVE-2019-18420
An issue exists in Xen up to and including 4.12.x allowing x86 PV guest OS users to cause a denial of service via a VCPUOP_initialise hypercall. hypercall_create_continuation() is a variadic function which uses a printf-like format string to interpret its parameters. Error handli...
Xen Xen
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 29
Fedoraproject Fedora 30
Fedoraproject Fedora 31
7.1
CVSSv2
CVE-2019-18421
An issue exists in Xen up to and including 4.12.x allowing x86 PV guest OS users to gain host OS privileges by leveraging race conditions in pagetable promotion and demotion operations. There are issues with restartable PV type change operations. To avoid using shadow pagetables ...
Xen Xen
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 29
Fedoraproject Fedora 30
Fedoraproject Fedora 31
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