What is CVE-2015-7513?

CVE-2015-7513 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.5 out of 10, classified as a Divide By Zero flaw (CWE-369). CVE-2015-7513 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2015-7513?

CVE-2015-7513 has a CVSS score of 6.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Is there a patch available for CVE-2015-7513?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2015-7513 patch availability.

Is CVE-2015-7513 actively exploited?

CVE-2015-7513 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Divide By Zero (CWE-369)?

The product divides a value by zero, causing a crash or unexpected behaviour. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/369.html

CVE-2015-7513

Medium

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.

Package Linux Kernel

Published 2016-02-08

Last modified 2026-05-06

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness type

CWE-369

CVE-2015-7513 is a Divide By Zero vulnerability

What is Divide By Zero?

The product divides a value by zero, causing a crash or unexpected behaviour. Learn more on MITRE CWE

References

19 total

Kernel Git
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0185604c2d82c560dab2f2933a18f797e74ab5a8

Patch Vendor Advisory
Openwall
http://www.openwall.com/lists/oss-security/2016/01/07/2

Mailing List Patch Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1284847

Issue Tracking Patch Third Party Advisory
GitHub
https://github.com/torvalds/linux/commit/0185604c2d82c560dab2f2933a18f797e74ab5a8

Patch Third Party Advisory
Lists
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html

Third Party Advisory

Showing 5 of 19 references View all on NVD

Details

CVE ID CVE-2015-7513

Severity Medium

CVSS score 6.5 / 10

CVSS version 3.1

Published 2016-02-08

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2015-7513?

CVE-2015-7513 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.5 out of 10 , classified as a Divide By Zero flaw (CWE-369) . CVE-2015-7513 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2015-7513?

CVE-2015-7513 has a CVSS score of 6.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
Is there a patch available for CVE-2015-7513?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2015-7513 patch availability.
Is CVE-2015-7513 actively exploited?

No. CVE-2015-7513 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.