CVE-2026-43018
Bluetooth: hci_event: fix potential UAF in hci_le_remote_conn_param_req_evt
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 1, 2026 |
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Affected Versions
Linux / Linux
95118dd4edfec950898a00180c6f998df0a6406d < 59eecf0ffde15670e6a5e10c47be67f73d843b20 95118dd4edfec950898a00180c6f998df0a6406d < 5fb69e1eeea9d6cba80517e9f058b56b34bc3a81 95118dd4edfec950898a00180c6f998df0a6406d < 7cadb03be37e761130edb153544fe0770a842b19 95118dd4edfec950898a00180c6f998df0a6406d < 1d0bdbfe3e91c11f0a704c52443a9446a10d699c 95118dd4edfec950898a00180c6f998df0a6406d < ea3cd36d7382d5f8309df04c275d20df139ed42c 95118dd4edfec950898a00180c6f998df0a6406d < b255531b27da336571411248c2a72a350662bd09
Linux / Linux
5.17
References
git.kernel.org: https://git.kernel.org/stable/c/59eecf0ffde15670e6a5e10c47be67f73d843b20 git.kernel.org: https://git.kernel.org/stable/c/5fb69e1eeea9d6cba80517e9f058b56b34bc3a81 git.kernel.org: https://git.kernel.org/stable/c/7cadb03be37e761130edb153544fe0770a842b19 git.kernel.org: https://git.kernel.org/stable/c/1d0bdbfe3e91c11f0a704c52443a9446a10d699c git.kernel.org: https://git.kernel.org/stable/c/ea3cd36d7382d5f8309df04c275d20df139ed42c git.kernel.org: https://git.kernel.org/stable/c/b255531b27da336571411248c2a72a350662bd09