kernel: Possible heap buffer overflow in brcmf_cfg80211_mgmt_tx()
Published Jul 25, 2017
7.8
HIGHCVSS 3.1
EPSS 0.55%
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 n/a Product Linux kernel before 4.12.3 Defaultn/a
- Version Linux kernel before 4.12.3StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Linux kernel before 4.12.3 | n/a |
|
- ≥ 3.9 · < 3.10.108
- ≥ 3.11 · < 3.16.48
- ≥ 3.17 · < 3.18.62
- ≥ 3.19 · < 4.1.43
- ≥ 4.2 · < 4.4.78
- ≥ 4.5 · < 4.9.39
- ≥ 4.10 · < 4.11.12
- ≥ 4.12 · < 4.12.3
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-696.13.2.el6
Fixed · RHSA-2017:2863
Red Hat Enterprise Linux 7
kernel-0:3.10.0-693.5.2.el7
Fixed · RHSA-2017:2930
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-693.5.2.rt56.626.el7
Fixed · RHSA-2017:2931
Red Hat Enterprise MRG 2
kernel-rt-1:3.10.0-693.5.2.rt56.592.el6rt
Fixed · RHSA-2017:2918
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-696.13.2.el6 | Fixed | RHSA-2017:2863 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-693.5.2.el7 | Fixed | RHSA-2017:2930 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-693.5.2.rt56.626.el7 | Fixed | RHSA-2017:2931 |
| Red Hat Enterprise MRG 2 | kernel-rt-1:3.10.0-693.5.2.rt56.592.el6rt | Fixed | RHSA-2017:2918 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5 as the code with the flaw is not present in the products listed. This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for these products may address this issue.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.55% (0.00547) | 43.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.55% (0.00547) | 41.30th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00067) | 18.05th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.92th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.04% (0.00044) | 10.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.33% (0.02331) | 53.76th | v1 |
| Jan 6, 2022 | 2.33% (0.02331) | 53.30th | v1 |
| Sep 1, 2021 | 2.33% (0.02331) | 78.26th | v1 |
| Apr 14, 2021 | 2.33% (0.02331) | 0.00th | v1 |
References (19)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f44c9a41386729fea410e688959ddaa9d51be7c x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2017/07/24/2 x_refsource_CONFIRMMailing ListPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3927 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2017/dsa-3945 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.3 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/99955 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038981 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2863 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2918 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2930 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2931 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-7541 Vendor Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=1049645 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1473198 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/8f44c9a41386729fea410e688959ddaa9d51be7c x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-7541
- https://source.android.com/security/bulletin/2017-11-01 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-7541
- https://www.spinics.net/lists/stable/msg180994.html x_refsource_CONFIRMPatchThird Party Advisory
Change history (0)
No recorded changes yet.