The brcmf_cfg80211_mgmt_tx function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux kernel before 4.12.3 allows local users to cause a denial of service (buffer overflow and system crash) or possibly gain privileges via a crafted NL80211_CMD_FRAME Netlink packet.
http://openwall.com/lists/oss-security/2017/07/24/2
http://www.debian.org/security/2017/dsa-3927
http://www.debian.org/security/2017/dsa-3945
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.3
http://www.securityfocus.com/bid/99955
http://www.securitytracker.com/id/1038981
https://access.redhat.com/errata/RHSA-2017:2863
https://access.redhat.com/errata/RHSA-2017:2918
https://access.redhat.com/errata/RHSA-2017:2930
https://access.redhat.com/errata/RHSA-2017:2931
https://bugzilla.novell.com/show_bug.cgi?id=1049645
https://bugzilla.redhat.com/show_bug.cgi?id=1473198
https://github.com/torvalds/linux/commit/8f44c9a41386729fea410e688959ddaa9d51be7c
Source: MITRE
Published: 2017-07-25
Updated: 2017-12-08
Type: CWE-119
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH