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Divide By Zero Affecting kernel-debug-devel package, versions *

Severity

 Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.06% (30th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELDEBUGDEVEL-1950895
  • published 26 Jul 2021
  • disclosed 5 Jan 2016
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Introduced: 5 Jan 2016

CVE-2015-7513 Open this link in a new tab
CWE-369 Open this link in a new tab

How to fix?

There is no fixed version for Centos:7 kernel-debug-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel package and not the kernel-debug-devel package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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

CVSS Scores

version 3.1
Expand this section

NVD

6.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

Red Hat

4.8 medium