CVE-2015-7513

Aliases:UBUNTU-CVE-2015-7513DEBIAN-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
0.56% LOW
1% probability +0.50%
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
  • v3.0•MEDIUM•Score: 6.5CVSS:3.0/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: 0.56%• Percentile: 46%

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•linux

    < 4.3.3-3 | < 4.3.3-3 | < 4.3.3-3 | < 4.3.3-3

  • ubuntu•linux

    < 3.13.0-77.121

  • ubuntu•linux-azure

    all

  • ubuntu•linux-azure-6.11

    all

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fde-5.15

    all

  • ubuntu•linux-gcp

    all

  • ubuntu•linux-gcp-6.11

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gkeop

    all

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-6.11

    all

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-lowlatency-hwe-6.11

    all

  • ubuntu•linux-lts-utopic

    < 3.16.0-60.80~14.04.1

  • ubuntu•linux-lts-vivid

    < 3.19.0-49.55~14.04.1

  • ubuntu•linux-lts-wily

    < 4.2.0-27.32~14.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    all

  • ubuntu•linux-realtime

    all | all

  • ubuntu•linux-riscv

    all | all | all

  • 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 (33)