CVE-2017-7541 json
The brcmf_cfg80211_mgmt_tx function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux kernel before 4.12.3 allows…
published 2017-07-25 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16553
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- linux linux_kernel 3.10.108, 3.16.48, 3.18.62, 4.1.43, 4.4.78, 4.9.39, 4.11.12, 4.12.3
- linux Debian 14, Debian 13, Debian 12 4.12.6-1
debian advisories DEBIAN-CVE-2017-7541
- linux Ubuntu 14.04 LTS 3.13.0-132.181
- linux Ubuntu 16.04 LTS 4.4.0-93.116
- linux-aws Ubuntu 16.04 LTS 4.4.0-1032.41
- linux-gcp Ubuntu 16.04 LTS 4.10.0-1006.6
- linux-gke Ubuntu 16.04 LTS 4.4.0-1028.28
- linux-hwe Ubuntu 16.04 LTS 4.10.0-37.41~16.04.1
- linux-raspi2 Ubuntu 16.04 LTS 4.4.0-1071.79
- linux-lts-xenial Ubuntu 14.04 LTS 4.4.0-93.116~14.04.1
ubuntu advisories UBUNTU-CVE-2017-7541
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel-rt enterprise mrg 2 1:3.10.0-693.5.2.rt56.592.el6rt
- kernel-rt-trace enterprise mrg 2 1:3.10.0-693.5.2.rt56.592.el6rt
- kernel-rt-vanilla enterprise mrg 2 1:3.10.0-693.5.2.rt56.592.el6rt
- kernel-rt-firmware enterprise mrg 2 1:3.10.0-693.5.2.rt56.592.el6rt
- kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 1:3.10.0-693.5.2.rt56.592.el6rt
- kernel-rt RHEL 7 EXTRAS_RT 3.10.0-693.5.2.rt56.626.el7
- kernel-rt-kvm RHEL 7 EXTRAS_RT 3.10.0-693.5.2.rt56.626.el7
- kernel-rt-trace RHEL 7 EXTRAS_RT 3.10.0-693.5.2.rt56.626.el7
red hat advisories RHSA-2017:2918RHSA-2017:2931RHSA-2017:2930RHSA-2017:2863
- kernel-rt SLE Real Time 12 SP2 4.4.88-18.1
- kernel-syms-rt SLE Real Time 12 SP2 4.4.88-18.1
- kernel-rt_debug SLE Real Time 12 SP2 4.4.88-18.1
- kernel-source-rt SLE Real Time 12 SP2 4.4.88-18.1
- kernel-ec2 SLE Module for Public Cloud 12 3.12.61-52.101.1
- kernel-ec2 SLE Module for Public Cloud 12 3.12.74-60.64.63.1
- kernel-xen SLES for SAP 12 SP1, SLES 12 SP1-LTSS, OpenStack Cloud 6 3.12.74-60.64.63.1
- kernel-syms SLES for SAP 12 SP1, SLES 12 SP1-LTSS, OpenStack Cloud 6 3.12.74-60.64.63.1
suse advisories SUSE-SU-2017:2956-1SUSE-SU-2017:2920-1SUSE-SU-2017:2908-1SUSE-SU-2017:2869-1SUSE-SU-2017:2286-1
- kernel-source openSUSE Tumbleweed 5.14.6-1.4
- kernel-source openSUSE Tumbleweed 6.6.17-1.1
opensuse advisories openSUSE-SU-2024:10728-1openSUSE-SU-2024:13704-1
- github.com/torvalds/linux@8f44c9a commit
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f44c9… commit
- bugzilla.redhat.com/show_bug.cgi?id=1473198 advisory
- bugzilla.novell.com/show_bug.cgi?id=1049645 advisory
- spinics.net/lists/stable/msg180994.html advisory
- openwall.com/lists/oss-security/2017/07/24/2 advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2017-7541 updated cvss 6.8
kernel: Possible heap buffer overflow in brcmf_cfg80211_mgmt_tx()
-
Red Hat Enterprise Linux 7 perf, kernel, python-perf, kernel-kdump, kernel-tools, kernel-tools-libs, +2 moreaffected: no fix available
-
Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-693.5.2.el7, kernel 3.10.0-693.5.2.el7, python-perf 3.10.0-693.5.2.el7, kernel-tools 3.10.0-693.5.2.el7, kernel-tools-libs 3.10.0-693.5.2.el7, kernel-abi-whitelists 3.10.0-693.5.2.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-693.5.2.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-693.5.2.el7, kernel 3.10.0-693.5.2.el7, python-perf 3.10.0-693.5.2.el7, kernel-tools 3.10.0-693.5.2.el7, kernel-tools-libs 3.10.0-693.5.2.el7, kernel-abi-whitelists 3.10.0-693.5.2.el7, +1 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-693.5.2.el7fixed: vendor fix RHSA-2017:2930
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Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-696.13.2.el6, kernel 2.6.32-696.13.2.el6, kernel-firmware 2.6.32-696.13.2.el6, kernel-abi-whitelists 2.6.32-696.13.2.el6, kernel-debuginfo-common-i686 2.6.32-696.13.2.el6, kernel-debuginfo-common-x86_64 2.6.32-696.13.2.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-696.13.2.el6, kernel-debuginfo-common-i686 2.6.32-696.13.2.el6, kernel-debuginfo-common-x86_64 2.6.32-696.13.2.el6fixed: vendor fix RHSA-2017:2863
-
Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-693.5.2.rt56.626.el7, kernel-rt-kvm 3.10.0-693.5.2.rt56.626.el7, kernel-rt-trace 3.10.0-693.5.2.rt56.626.el7, kernel-rt-debug-kvm 3.10.0-693.5.2.rt56.626.el7, kernel-rt-trace-kvm 3.10.0-693.5.2.rt56.626.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-693.5.2.rt56.626.el7fixed: vendor fix RHSA-2017:2931
-
Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-696.13.2.el6, kernel 2.6.32-696.13.2.el6, kernel-firmware 2.6.32-696.13.2.el6, kernel-abi-whitelists 2.6.32-696.13.2.el6, kernel-debuginfo-common-i686 2.6.32-696.13.2.el6, kernel-debuginfo-common-x86_64 2.6.32-696.13.2.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-696.13.2.el6, kernel-debuginfo-common-x86_64 2.6.32-696.13.2.el6fixed: vendor fix RHSA-2017:2863
-
Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-693.5.2.rt56.626.el7, kernel-rt-trace 3.10.0-693.5.2.rt56.626.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-693.5.2.rt56.626.el7fixed: vendor fix RHSA-2017:2931
-
Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-696.13.2.el6, kernel 2.6.32-696.13.2.el6, kernel-kdump 2.6.32-696.13.2.el6, kernel-firmware 2.6.32-696.13.2.el6, kernel-bootwrapper 2.6.32-696.13.2.el6, kernel-abi-whitelists 2.6.32-696.13.2.el6, +4 morefixed: vendor fix RHSA-2017:2863
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Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-693.5.2.el7, kernel 3.10.0-693.5.2.el7, python-perf 3.10.0-693.5.2.el7, kernel-kdump 3.10.0-693.5.2.el7, kernel-tools 3.10.0-693.5.2.el7, kernel-tools-libs 3.10.0-693.5.2.el7, +6 morefixed: vendor fix RHSA-2017:2930
show 8 moreshow fewer
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Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-696.13.2.el6, kernel-debuginfo-common-i686 2.6.32-696.13.2.el6, kernel-debuginfo-common-ppc64 2.6.32-696.13.2.el6, kernel-debuginfo-common-s390x 2.6.32-696.13.2.el6, kernel-debuginfo-common-x86_64 2.6.32-696.13.2.el6fixed: vendor fix RHSA-2017:2863
-
Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-693.5.2.el7, kernel-debuginfo-common-x86_64 3.10.0-693.5.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.5.2.el7fixed: vendor fix RHSA-2017:2930
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Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-696.13.2.el6, kernel 2.6.32-696.13.2.el6, kernel-firmware 2.6.32-696.13.2.el6, kernel-abi-whitelists 2.6.32-696.13.2.el6, kernel-debuginfo-common-i686 2.6.32-696.13.2.el6, kernel-debuginfo-common-x86_64 2.6.32-696.13.2.el6fixed: vendor fix RHSA-2017:2863
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Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-693.5.2.el7, kernel 3.10.0-693.5.2.el7, python-perf 3.10.0-693.5.2.el7, kernel-tools 3.10.0-693.5.2.el7, kernel-tools-libs 3.10.0-693.5.2.el7, kernel-abi-whitelists 3.10.0-693.5.2.el7, +1 morefixed: vendor fix RHSA-2017:2930
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Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-696.13.2.el6, kernel-debuginfo-common-i686 2.6.32-696.13.2.el6, kernel-debuginfo-common-x86_64 2.6.32-696.13.2.el6fixed: vendor fix RHSA-2017:2863
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Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-693.5.2.el7fixed: vendor fix RHSA-2017:2930
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Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-693.5.2.rt56.592.el6rt, kernel-rt-trace 3.10.0-693.5.2.rt56.592.el6rt, kernel-rt-vanilla 3.10.0-693.5.2.rt56.592.el6rt, kernel-rt-firmware 3.10.0-693.5.2.rt56.592.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-693.5.2.rt56.592.el6rtfixed: vendor fix RHSA-2017:2918
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Red Hat Enterprise Linux 5 kernelnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a Linux kernel before 4.12.3
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
- Technology feeds
References
-
github.com
/torvalds/linux/commit/8f44c9a41386729fea410e688959ddaa9d51be7c
issue-tracking, patch, third-party-advisory
-
git.kernel.org
/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f44c9a41386729fea410e688959ddaa9d51be7c
issue-tracking, patch, third-party-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=1473198
issue-tracking, patch, third-party-advisory
-
bugzilla.novell.com
/show_bug.cgi?id=1049645
issue-tracking, patch, third-party-advisory
-
spinics.net
/lists/stable/msg180994.html
patch, third-party-advisory
-
openwall.com
/lists/oss-security/2017/07/24/2
mailing-list, patch, third-party-advisory
-
debian.org
/security/2017/dsa-3927
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2017:2918
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2017:2931
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2017:2863
vendor-advisory, third-party-advisory
-
debian.org
/security/2017/dsa-3945
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2017:2930
vendor-advisory, third-party-advisory
-
kernel.org
/pub/linux/kernel/v4.x/ChangeLog-4.12.3
release-notes, vendor-advisory
-
securityfocus.com
/bid/99955
vdb-entry, third-party-advisory
-
source.android.com
/security/bulletin/2017-11-01
third-party-advisory
-
securitytracker.com
/id/1038981
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-7541
- NVD CVE-2017-7541
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.