CVE-2016-8658

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-10-16 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Linux kernel: through 4.7.4

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ded89912156b1a47d940a0c954c43afbabd0c42c
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5
http://www.openwall.com/lists/oss-security/2016/10/13/1
http://www.securityfocus.com/bid/93541
http://www.ubuntu.com/usn/USN-3145-1
http://www.ubuntu.com/usn/USN-3145-2
http://www.ubuntu.com/usn/USN-3146-1
http://www.ubuntu.com/usn/USN-3146-2
https://bugzilla.redhat.com/show_bug.cgi?id=1384403
https://github.com/torvalds/linux/commit/ded89912156b1a47d940a0c954c43afbabd0c42c
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ded89912156b1a47d940a0c954c43afbabd0c42c
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5

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