What is CVE-2018-8087?

CVE-2018-8087 is a medium-severity vulnerability in Linux Kernel, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.5/10. Published 2018-03-13.

How severe is CVE-2018-8087?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2018-8087 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux Kernel

CVE-2018-8087

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.

Published 2018-03-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (37.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Linux Kernel
Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
Debian Linux — versions 9.0

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

usn.ubuntu.com/3676-1/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3678-2/ (vendor-advisory, Third Party Advisory)
github.com/torvalds/linux/commit/0ddcff49b672239dda94d70d0fcf50317a9f4b51 (Patch)
usn.ubuntu.com/3678-1/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3677-1/ (vendor-advisory, Third Party Advisory)
www.securityfocus.com/bid/103397 (VDB Entry, Third Party Advisory, vdb-entry)
www.debian.org/security/2018/dsa-4188 (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3678-3/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3677-2/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3676-2/ (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-8087?: CVE-2018-8087 is a medium-severity vulnerability in Linux Kernel, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.5/10. Published 2018-03-13.
How severe is CVE-2018-8087?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-8087 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.