Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Linux kernel before 4.12.3 | Linux kernel before 4.12.3 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 4.12.6-1 | — |
| Debian 13 | linux | 4.12.6-1 | — |
| Debian 12 | linux | 4.12.6-1 | — |
| Debian 9 | linux | 4.9.30-2+deb9u3 | DSA-3927-1 |
| Debian 8 | linux | 3.16.43-2+deb8u3 | DSA-3945-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +4 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-93.116 | USN-3405-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1032.41 | USN-3405-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.10.0-1006.6 | — |
| Ubuntu 16.04 LTS | linux-gke | 4.4.0-1028.28 | USN-3405-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.10.0-37.41~16.04.1 | USN-3419-2 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1071.79 | USN-3405-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1073.78 | USN-3405-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-132.181 | USN-3422-1 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-93.116~14.04.1 | USN-3405-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-rt +10 | 3.10.0-693.5.2.rt56.626.el7 | RHSA-2017:2931 |
| RHEL 7 | perf +18 | 3.10.0-693.5.2.el7 | RHSA-2017:2930 |
| RHEL 6 | perf +16 | 2.6.32-696.13.2.el6 | RHSA-2017:2863 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-693.5.2.rt56.592.el6rt | RHSA-2017:2918 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | kernel-docs | 4.4.82-6.3.5 | SUSE-SU-2017:2286-1 |
| SLES 12 SP3 | kernel-obs-build | 4.4.82-6.3.3 | SUSE-SU-2017:2286-1 |
| SLES 12 SP3 | kernel-syms +2 | 4.4.82-6.3.1 | SUSE-SU-2017:2286-1 |
| SLES 12 SP2 | kernel-docs | 4.4.90-92.45.3 | SUSE-SU-2017:2869-1 |
| SLES 12 SP2 | kernel-syms +3 | 4.4.90-92.45.1 | SUSE-SU-2017:2869-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.74-60.64.63.1 | SUSE-SU-2017:2908-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_22 | 1-2.1 | SUSE-SU-2017:2908-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.61-52.101.1 | SUSE-SU-2017:2920-1, SUSE-SU-2017:2908-1 |
| SLES 12 | kgraft-patch-SLE12_Update_28 | 1-8.1 | SUSE-SU-2017:2920-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.82-6.3.1 | SUSE-SU-2017:2286-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.90-92.45.1 | SUSE-SU-2017:2869-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.63.1 | SUSE-SU-2017:2908-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_22 | 1-2.1 | SUSE-SU-2017:2908-1 |
| SLE Real Time 12 SP2 | kernel-rt +3 | 4.4.88-18.1 | SUSE-SU-2017:2956-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_1 | 1-2.1 | SUSE-SU-2017:2286-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_14 | 1-2.4 | SUSE-SU-2017:2869-1 |
| SUSE OpenStack Cloud 6 | kernel-xen +3 | 3.12.74-60.64.63.1 | SUSE-SU-2017:2908-1 |
| SUSE OpenStack Cloud 6 | kgraft-patch-SLE12-SP1_Update_22 | 1-2.1 | SUSE-SU-2017:2908-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 5.14.6-1.4 | openSUSE-SU-2024:13704-1, openSUSE-SU-2024:10728-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-103.7.3.el7uek | ELSA-2017-3629 |
| Oracle Linux 7 | perf +11 | 3.10.0-693.5.2.el7 | ELSA-2017-2930 |
Advisories 19
- RHSA-2017:2931 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:2918 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:2930 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:2863 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3405-2 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3405-1 linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3422-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3945-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3927-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3419-2 linux-hwe vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:2956-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2286-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13704-1 kernel-devel-longterm-6.6.17-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2908-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2920-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2869-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10728-1 kernel-devel-5.14.6-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2017-2930 Important: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 19, 2017
- ELSA-2017-3629 Moderate: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 10, 2017
References
- DSA-3927 vendor-advisory
- https://github.com/torvalds/linux/commit/8f44c9a41386729fea410e688959ddaa9d51be7c
- 99955 vdb-entry
- RHSA-2017:2918 vendor-advisory
- RHSA-2017:2931 vendor-advisory
- https://source.android.com/security/bulletin/2017-11-01
- https://bugzilla.redhat.com/show_bug.cgi?id=1473198
- RHSA-2017:2863 vendor-advisory
- 1038981 vdb-entry
- https://bugzilla.novell.com/show_bug.cgi?id=1049645
- DSA-3945 vendor-advisory
- https://www.spinics.net/lists/stable/msg180994.html
- http://openwall.com/lists/oss-security/2017/07/24/2
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.3
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f44c9a41386729fea410e688959ddaa9d51be7c
- RHSA-2017:2930 vendor-advisory