CVE-2013-7446

Medium

Use-after-free vulnerability in net/unix/af_unix.c in the Linux kernel before 4.3.3 allows local users to bypass intended AF_UNIX socket permissions or cause a denial of service (panic) via crafted epoll_ctl calls.

Package Linux Kernel
Published 2015-12-28
Last modified 2026-05-06
CVSS version 3.0
Patch available
Awaiting data

CVSS 3.0 score

5.3

out of 10
Medium
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
High
Vector string
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

References

The following references provide additional information about CVE-2013-7446 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2013-7446?

    CVE-2013-7446 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.3 out of 10 . CVE-2013-7446 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2013-7446?

    CVE-2013-7446 has a CVSS score of 5.3 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H .

  • Is there a patch available for CVE-2013-7446?

    No patch is currently available for CVE-2013-7446. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2013-7446 actively exploited?

    No — CVE-2013-7446 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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