arch/x86/kvm/x86.c in the Linux kernel before 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.
https://bugzilla.redhat.com/show_bug.cgi?id=1284847
https://github.com/torvalds/linux/commit/0185604c2d82c560dab2f2933a18f797e74ab5a8
http://www.openwall.com/lists/oss-security/2016/01/07/2
http://www.ubuntu.com/usn/USN-2889-1
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
http://www.ubuntu.com/usn/USN-2890-1
http://www.ubuntu.com/usn/USN-2890-3
http://www.ubuntu.com/usn/USN-2887-2
http://www.ubuntu.com/usn/USN-2890-2
http://www.ubuntu.com/usn/USN-2887-1
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
http://www.ubuntu.com/usn/USN-2888-1
http://www.ubuntu.com/usn/USN-2886-1
http://www.ubuntu.com/usn/USN-2889-2
http://www.securityfocus.com/bid/79901
Source: MITRE
Published: 2016-02-08
Updated: 2021-12-10
Type: CWE-369
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 2
Severity: MEDIUM