CVE-2023-51779: Linux Kernel

High severity, CVSS 7.0. EPSS: 0.3% chance of exploitation in the next 30 days.

bt_sock_recvmsg in net/bluetooth/af_bluetooth.c in the Linux kernel through 6.6.8 has a use-after-free because of a bt_sock_ioctl race condition.

Affected products

• Linux Kernel: before 6.6.8 (fixed in 6.6.8)

Published 2024-02-29. Last modified 2026-06-17.