What is CVE-2013-4127?

CVE-2013-4127 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10. CVE-2013-4127 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2013-4127?

CVE-2013-4127 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2013-4127?

No patch is currently available for CVE-2013-4127. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2013-4127 actively exploited?

CVE-2013-4127 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2013-4127

Medium

Use-after-free vulnerability in the vhost_net_set_backend function in drivers/vhost/net.c in the Linux kernel through 3.10.3 allows local users to cause a denial of service (OOPS and system crash) via vectors involving powering on a virtual machine.

Package Linux Kernel

Published 2013-07-29

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

None

Integrity

None

Availability

Vector string

AV:L/AC:M/Au:N/C:N/I:N/A:C

Weakness type

CWE-399

CVE-2013-4127 is classified as CWE-399

See CWE-399 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2013-4127 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Openwall
http://www.openwall.com/lists/oss-security/2013/07/15/7
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=980643
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=984722
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=dd7633ecd553a5e304d349aa6f8eb8a0417098c5
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/dd7633ecd553a5e304d349aa6f8eb8a0417098c5
Patch

Details

CVE ID CVE-2013-4127

Severity Medium

CVSS score 4.7 / 10

CVSS version 2.0

Published 2013-07-29

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2013-4127?

CVE-2013-4127 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 . CVE-2013-4127 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2013-4127?

CVE-2013-4127 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2013-4127?

No patch is currently available for CVE-2013-4127. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2013-4127 actively exploited?

No — CVE-2013-4127 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.