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CVE-2017-1000252

Status Candidate

Overview

The KVM subsystem in the Linux kernel through 4.13.3 allows guest OS users to cause a denial of service (assertion failure, and hypervisor hang or crash) via an out-of bounds guest_irq value, related to arch/x86/kvm/vmx.c and virt/kvm/eventfd.c.

Related Files

Ubuntu Security Notice USN-3468-2
Posted Oct 31, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3468-2 - USN-3468-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. It was discovered that the KVM subsystem in the Linux kernel did not properly bound guest IRQs. A local attacker in a guest VM could use this to cause a denial of service. It was discovered that the Flash-Friendly File System implementation in the Linux kernel did not properly validate superblock metadata. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000252, CVE-2017-10663, CVE-2017-10911, CVE-2017-11176, CVE-2017-14340
MD5 | df06e662e7b98fe4fe2458a985e574df
Ubuntu Security Notice USN-3468-1
Posted Oct 31, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3468-1 - It was discovered that the KVM subsystem in the Linux kernel did not properly bound guest IRQs. A local attacker in a guest VM could use this to cause a denial of service. It was discovered that the Flash-Friendly File System implementation in the Linux kernel did not properly validate superblock metadata. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000252, CVE-2017-10663, CVE-2017-10911, CVE-2017-11176, CVE-2017-14340
MD5 | 4569db2c85a86bd1be37d268c85b8268
Ubuntu Security Notice USN-3468-3
Posted Oct 31, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3468-3 - It was discovered that the KVM subsystem in the Linux kernel did not properly bound guest IRQs. A local attacker in a guest VM could use this to cause a denial of service. It was discovered that the Flash-Friendly File System implementation in the Linux kernel did not properly validate superblock metadata. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000252, CVE-2017-10663, CVE-2017-10911, CVE-2017-11176, CVE-2017-14340
MD5 | d2a254694b05f4588318c858a2ebd55e
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