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Status published
Medium
CVE-2015-7513
arch/x86/kvm/x86.c in the Linux kernel before 4.4 does not reset...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.openwall.com/lists/oss-security/2016/01/07/2
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
- http://www.ubuntu.com/usn/USN-2887-2
- https://github.com/torvalds/linux/commit/0185604c2d82c560dab2f2933a18f797e74ab5a8
- http://www.ubuntu.com/usn/USN-2886-1
- http://www.ubuntu.com/usn/USN-2887-1
- http://www.ubuntu.com/usn/USN-2890-3
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0185604c2d82c560dab2f2933a18f797e74ab5a8
- http://www.ubuntu.com/usn/USN-2889-1
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
- http://www.ubuntu.com/usn/USN-2889-2
- http://www.securityfocus.com/bid/79901
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
- http://www.ubuntu.com/usn/USN-2890-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1284847
- http://www.ubuntu.com/usn/USN-2890-1
- http://www.debian.org/security/2016/dsa-3434
- http://www.securitytracker.com/id/1034602
- http://www.ubuntu.com/usn/USN-2888-1
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, debian linux, fedora, ubuntu linux
Vulnerable Versions:
0, 4.4, 7.0, 8.0, 22, 23, 12.04, 14.04, 15.04, 15.10
Timeline
Official Publish:
February 8th, 2016
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.