kernel: Memory leak in drivers/net/wireless/mac80211_hwsim.c:hwsim_new_radio_nl() can lead to potential denial of service
Published Mar 13, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.46%
Description
Memory leak in the hwsim_new_radio_nl function in drivers/net/wireless/mac80211_hwsim.c in the Linux kernel through 4.15.9 allows local users to cause a denial of service (memory consumption) by triggering an out-of-array error case.
Affected products
No data.
Configuration 1
- ≤ 4.15.9
Configuration 2
- 9.0
Configuration 3
- 14.04
- 16.04
- 17.10
- 18.04
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-1062.el7
Fixed · RHSA-2019:2029
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-1062.rt56.1022.el7
Fixed · RHSA-2019:2043
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-1062.el7 | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-1062.rt56.1022.el7 | Fixed | RHSA-2019:2043 |
| 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-alt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
AV:L/AC:L/Au:N/C:N/I:N/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 | 0.46% (0.00459) | 37.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.49% (0.00489) | 37.99th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.03% (0.00031) | 5.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | 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 | 2.06% (0.02060) | 50.17th | v1 |
| Jan 6, 2022 | 2.06% (0.02060) | 49.67th | v1 |
| Sep 1, 2021 | 2.06% (0.02060) | 76.75th | v1 |
| Apr 14, 2021 | 2.06% (0.02060) | 0.00th | v1 |
References (18)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0ddcff49b672239dda94d70d0fcf50317a9f4b51 x_refsource_MISCPatch
- http://www.securityfocus.com/bid/103397 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2029 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:2043 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-8087 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1555145 Issue Tracking
- https://github.com/torvalds/linux/commit/0ddcff49b672239dda94d70d0fcf50317a9f4b51 x_refsource_MISCPatch
- https://nvd.nist.gov/vuln/detail/CVE-2018-8087
- https://usn.ubuntu.com/3676-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3676-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3677-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3677-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3678-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3678-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3678-3/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3678-4/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-8087
- https://www.debian.org/security/2018/dsa-4188 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.