CVE-2016-8658

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Summary

CVECVE-2016-8658
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-10-16 21:59:13 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionStack-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.

Risk And Classification

Primary CVSS: v3.0 6.1 MEDIUM from [email protected]

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

EPSS: 0.003030000 probability, percentile 0.535580000 (date 2026-05-07)

Problem Types: CWE-119 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.1MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
2.0[email protected]Primary5.6AV:L/AC:L/Au:N/C:N/I:P/A:C

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org Release Notes
USN-3146-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Bug 1384403 – CVE-2016-8658 kernel: Stack buffer overflow in brcmf_cfg80211_start_ap af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking
USN-3146-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Broadcom Wifi Driver 'brcmf_cfg80211_start_ap()' Function Stack Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
USN-3145-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
brcmfmac: avoid potential stack overflow in brcmf_cfg80211_start_ap() · torvalds/linux@ded8991 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch
oss-security - Re: CVE Request -- Broadcom Wifi Driver Brcmfmac brcmf_cfg80211_start_ap Buffer Overflow af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List
USN-3145-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Issue Tracking, Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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