CVE-2016-8658

Medium

Stack-based buffer overflow in the brcmf_cfg80211_start_ap function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux kernel before 4.7.5 allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a long SSID Information Element in a command to a Netlink socket.

Package Linux Kernel
Published 2016-10-16
Last modified 2026-05-06
CVSS version 3.0
Patch available
Awaiting data

CVSS 3.0 score

6.1

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

Weakness type

CWE-119

CVE-2016-8658 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2016-8658 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-2016-8658?

    CVE-2016-8658 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.1 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2016-8658 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2016-8658?

    CVE-2016-8658 has a CVSS score of 6.1 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H .

  • Is there a patch available for CVE-2016-8658?

    No patch is currently available for CVE-2016-8658. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2016-8658 actively exploited?

    No — CVE-2016-8658 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Buffer Overflow (CWE-119)?

    The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →

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