CVE-2026-43018HIGH 8.8EPSS p16.8%

CVE-2026-43018CVE-2026-43018

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: fix potential UAF in hci_le_remote_conn_param_req_evt hci_conn lookup and field access must be covered by hdev lock in hci_le_remote_conn_param_req_evt, otherwise it's possible it is freed concurrently. Extend the hci_dev_lock critical section to cover all conn usage.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.26% probability of exploitation · percentile 16.8% · 2026-06-18T12:00:27Z
Published2026-05-01
Last modified2026-05-08

Underlying weaknesses· 1

CWE-416

References

  1. https://git.kernel.org/stable/c/1d0bdbfe3e91c11f0a704c52443a9446a10d699c
  2. https://git.kernel.org/stable/c/59eecf0ffde15670e6a5e10c47be67f73d843b20
  3. https://git.kernel.org/stable/c/5fb69e1eeea9d6cba80517e9f058b56b34bc3a81
  4. https://git.kernel.org/stable/c/7cadb03be37e761130edb153544fe0770a842b19
  5. https://git.kernel.org/stable/c/b255531b27da336571411248c2a72a350662bd09
  6. https://git.kernel.org/stable/c/ea3cd36d7382d5f8309df04c275d20df139ed42c

1

TypeTargetConfidenceTier
WeaknessUse After Freecwe-4160%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.