VDB
CVE-2026-43018
CVE-2026-43018
PUBLISHED
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.
EPSS 0.03% · 9.9th percentile
Risk Scores
EPSS Score
0.03%
9.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| linux | linux_kernel | 5.17, 5.17, 5.17 |
| Linux | Linux | 95118dd4edfec950898a00180c6f998df0a6406d, 95118dd4edfec950898a00180c6f998df0a6406d, 95118dd4edfec950898a00180c6f998df0a6406d |
Timeline
- May 1, 2026 CVE Published
- May 8, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
- May 27, 2026 EPSS Score
References
- https://git.kernel.org/stable/c/59eecf0ffde15670e6a5e10c47be67f73d843b20 url
- https://git.kernel.org/stable/c/5fb69e1eeea9d6cba80517e9f058b56b34bc3a81 url
- https://git.kernel.org/stable/c/7cadb03be37e761130edb153544fe0770a842b19 url
- https://git.kernel.org/stable/c/1d0bdbfe3e91c11f0a704c52443a9446a10d699c url
- https://git.kernel.org/stable/c/ea3cd36d7382d5f8309df04c275d20df139ed42c url
- https://git.kernel.org/stable/c/b255531b27da336571411248c2a72a350662bd09 url
- https://lists.debian.org/debian-lts-announce/2026/05/msg00004.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00005.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00154.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00148.html advisory