In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hcievent: fix potential UAF in hcileremoteconnparamreq_evt
hciconn lookup and field access must be covered by hdev lock in hcileremoteconnparamreq_evt, otherwise it's possible it is freed concurrently.
Extend the hcidevlock critical section to cover all conn usage.
{
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43018.json"
}