kernel: Heap-based buffer overflow in wcnss_wlan_write function
Published Aug 30, 2016
8.4
HIGHCVSS 3.1
EPSS 0.51%
Description
Heap-based buffer overflow in the wcnss_wlan_write function in drivers/net/wireless/wcnss/wcnss_wlan.c in the wcnss_wlan device driver for the Linux kernel 3.x, as used in Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, allows attackers to cause a denial of service or possibly have unspecified other impact by writing to /dev/wcnss_wlan with an unexpected amount of data.
Affected products
No data.
Configuration 2
- ≥ 3.0 · ≤ 3.19.8
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise MRG 2
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.51% (0.00511) | 41.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.51% (0.00511) | 39.27th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.61% (0.00614) | 68.05th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00059) | 26.93th | v3 (v2023.03.01) |
| May 25, 2024 | 0.06% (0.00059) | 24.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00059) | 22.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://source.android.com/security/bulletin/2016-10-01.html x_refsource_CONFIRMPatchThird Party Advisory
- http://www.securityfocus.com/bid/92693 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-5342 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1866176 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-5342
- https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=579e796cb089324c55e0e689a180575ba81b23d9 x_refsource_CONFIRMMailing ListPatchThird Party Advisory
- https://www.codeaurora.org/buffer-overflow-vulnerability-wcnsswlanwrite-cve-2016-5342 x_refsource_CONFIRMBroken Link
- https://www.cve.org/CVERecord?id=CVE-2016-5342
| Link | Providers | Tags |
|---|---|---|
| http://source.android.com/security/bulletin/2016-10-01.html | x_refsource_CONFIRMPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/92693 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-5342 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1866176 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-5342 | ||
| https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=579e796cb089324c55e0e689a180575ba81b23d9 | x_refsource_CONFIRMMailing ListPatchThird Party Advisory | |
| https://www.codeaurora.org/buffer-overflow-vulnerability-wcnsswlanwrite-cve-2016-5342 | x_refsource_CONFIRMBroken Link | |
| https://www.cve.org/CVERecord?id=CVE-2016-5342 |
Change history (0)
No recorded changes yet.