CVE-2015-7513

Description

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.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

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

CWEs

CWE-369

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