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Fencer Vulns
high 7.8

CVE-2018-9518 json

In nfc_llcp_build_sdreq_tlv of llcp_commands.c, there is a possible out of bounds write due to a missing bounds check.

published 2018-12-07 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-21112

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits
0
none known

Summary

In nfc_llcp_build_sdreq_tlv of llcp_commands.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-73083945.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 4.16.5-1

debian advisories DEBIAN-CVE-2018-9518

  • linux Ubuntu 14.04 LTS 3.13.0-161.211
  • linux Ubuntu 16.04 LTS 4.4.0-130.156
  • linux Ubuntu 18.04 LTS 4.15.0-34.37
  • linux-aws Ubuntu 14.04 LTS 4.4.0-1024.25
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1062.71
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1021.21
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1019.20~16.04.1
  • linux-gcp Ubuntu 18.04 LTS 4.15.0-1019.20

ubuntu advisories UBUNTU-CVE-2018-9518

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

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-2018-9518 updated cvss 6.7

kernel: NFC: llcp: Out of bounds write in nfc_llcp_sdp_tlv struct in nfc/llcp_commands.c

  • 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 Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 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

0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/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

Affected products

  • Google Inc. Android

Classification

Weakness

References

Sources

Fencer Vulns 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.