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Fencer Intel
high 7.8

CVE-2017-15868 json

The bnep_add_connection function in net/bluetooth/bnep/core.c in the Linux kernel before 3.19 does not ensure that an l2cap socket is avail…

published 2017-12-05 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7290

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

The bnep_add_connection function in net/bluetooth/bnep/core.c in the Linux kernel before 3.19 does not ensure that an l2cap socket is available, which allows local users to gain privileges via a crafted application.

Patch / fix

  • linux linux_kernel 3.2.97, 3.10.108, 3.16.52, 3.18.64
  • linux Debian 14, Debian 13, Debian 12 4.0.2-1

debian advisories DEBIAN-CVE-2017-15868

  • linux Ubuntu 14.04 LTS 3.13.0-142.191

ubuntu advisories UBUNTU-CVE-2017-15868

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 SLE Real Time 11 SP4 3.0.101.rt130-69.14.1
  • kernel-syms-rt SLE Real Time 11 SP4 3.0.101.rt130-69.14.1
  • kernel-rt_trace SLE Real Time 11 SP4 3.0.101.rt130-69.14.1
  • kernel-source-rt SLE Real Time 11 SP4 3.0.101.rt130-69.14.1
  • kernel-ec2 SLE Module for Public Cloud 12 3.12.61-52.111.1
  • kernel-ec2 SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-pae SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1

suse advisories SUSE-SU-2018:0268-1SUSE-SU-2018:0275-1SUSE-SU-2018:0276-1SUSE-SU-2018:0274-1SUSE-SU-2018:0266-1SUSE-SU-2018:0271-1

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-2017-15868 updated cvss 7.0

kernel: bnep_add_connection does not check if l2cap socket is available allowing privilege escalation

  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, kernel-alt, python-perf, +9 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    not 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

0.43% chance of exploitation in the next 30 days, higher than 37% 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

Classification

Weakness
  • CWE-20 Improper Input Validation
Technology feeds

References

Sources

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.