CVE-2016-8658
kernel: Stack buffer overflow in brcmf_cfg80211_start_ap
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · September 7, 2016
Updated · November 21, 2025
Description
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.
Statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, as the code with the flaw is not present in the products listed.
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.1CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
CVSS 2.0 · 5.4AV:L/AC:M/Au:N/C:N/I:P/A:C
CWE-121 · Stack-based Buffer Overflow