Published: 08/02/2016 Updated: 10/12/2021

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 6.5 | Impact Score: 4 | Exploitability Score: 2

VMScore: 437

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

arch/x86/kvm/x86.c in the Linux kernel prior to 4.4 does not reset the PIT counter values during state restoration, which allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via a zero value, related to the kvm_vm_ioctl_set_pit and kvm_vm_ioctl_set_pit2 functions.

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linux linux kernel
linux linux kernel 4.4
debian debian linux 7.0
debian debian linux 8.0
fedoraproject fedora 22
fedoraproject fedora 23
canonical ubuntu linux 12.04
canonical ubuntu linux 14.04
canonical ubuntu linux 15.04
canonical ubuntu linux 15.10

Debian Bug report logs - #808293 Regression in short UDP reads caused by "net: Fix skb csum races when peeking" Package: src:linux; Maintainer for src:linux is Debian Kernel Team <debian-kernel@listsdebianorg>; Affects: freeradius Reported by: Francesco Politi <fpoliti@micsoit> Date: Fri, 18 Dec 2015 12:09:01 UTC ...

A divide-by-zero flaw was discovered in the Linux kernel built with KVM virtualization support(CONFIG_KVM) The flaw occurs in the KVM module's Programmable Interval Timer(PIT) emulation, when PIT counters for channel 1 or 2 are set to zero(0) and a privileged user inside the guest attempts to read these counters A privileged guest user with acces ...

Several security issues were fixed in the kernel ...

CVE-2015-7513

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