CVE-2015-7513

Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 08 Feb 2016, 02:00
Last modified:06 Aug 2024, 07:51

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.09% LOW
0% probability +0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Feb 2016, 02:00
Published
Vulnerability first disclosed
06 Aug 2024, 07:51
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.09%• Percentile: 26%

Techniques & Countermeasures

  • CWE-369•Divide By Zero

    The product divides a value by zero.

Affected Systems

  • canonical•ubuntu_linux

    12.04 | 14.04 | 15.04 | 15.10

  • debian•debian_linux

    7.0 | 8.0

  • fedoraproject•fedora

    22 | 23

  • linux•linux_kernel

    < 4.4 | 4.4 | 4.4:rc1 | 4.4:rc2 | 4.4:rc3 | 4.4:rc4 | 4.4:rc5 | 4.4:rc6

References (19)