PRIOn knowledge basePRION:CVE-2015-7513Design/Logic Flaw
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.
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0185604c2d82c560dab2f2933a18f797e74ab5a8
www.debian.org/security/2016/dsa-3434
www.openwall.com/lists/oss-security/2016/01/07/2
www.securityfocus.com/bid/79901
www.securitytracker.com/id/1034602
www.ubuntu.com/usn/USN-2886-1
www.ubuntu.com/usn/USN-2887-1
www.ubuntu.com/usn/USN-2887-2
www.ubuntu.com/usn/USN-2888-1
www.ubuntu.com/usn/USN-2889-1
www.ubuntu.com/usn/USN-2889-2
www.ubuntu.com/usn/USN-2890-1
www.ubuntu.com/usn/USN-2890-2
www.ubuntu.com/usn/USN-2890-3
bugzilla.redhat.com/show_bug.cgi?id=1284847
github.com/torvalds/linux/commit/0185604c2d82c560dab2f2933a18f797e74ab5a8
lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
Related
