🛡️ UBUNTU-CVE-2022-50374
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure syzbot is reporting NULL pointer dereference at hci_uart_tty_close() [1], for rcu_sync_enter() is called without rcu_sync_init() due to hci_uart_tty_open() ignoring percpu_init_rwsem() failure. While we are at it, fix that hci_uart_register_device() ignores percpu_init_rwsem() failure and hci_uart_unregister_device() does not call percpu_free_rwsem().

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-09-17
Updated 2026-06-15
Modified 2026-06-08
Fix URL N/A

Affected Packages

Software From version Fixed in
linux 5.15.0-60.66
linux-allwinner-5.19
linux-aws 5.15.0-1030.34
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.15 5.15.0-1030.34~20.04.1
linux-aws-5.19
linux-aws-5.3
linux-aws-5.4
linux-aws-5.8
linux-aws-6.2
linux-aws-6.5
linux-aws-fips
linux-aws-hwe
linux-azure 5.15.0-1033.40
linux-azure-4.15
linux-azure-5.11
linux-azure-5.13
linux-azure-5.15 5.15.0-1033.40~20.04.1
linux-azure-5.19
linux-azure-5.3
linux-azure-5.4
linux-azure-5.8
linux-azure-6.11
linux-azure-6.2
linux-azure-6.5
linux-azure-edge
linux-azure-fde
linux-azure-fde-5.19
linux-azure-fde-6.2
linux-azure-fips
linux-bluefield
linux-fips
linux-gcp 5.15.0-1029.36
linux-gcp-4.15
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.15 5.15.0-1029.36~20.04.1
linux-gcp-5.19
linux-gcp-5.3
linux-gcp-5.4
linux-gcp-5.8
linux-gcp-6.11
linux-gcp-6.2
linux-gcp-6.5
linux-gcp-fips
linux-gke 5.15.0-1027.32
linux-gke-4.15
linux-gke-5.15
linux-gke-5.4
linux-gkeop 5.15.0-1015.19
linux-gkeop-5.15
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.15 5.15.0-60.66~20.04.1
linux-hwe-5.19
linux-hwe-5.4
linux-hwe-5.8
linux-hwe-6.11
linux-hwe-6.2
linux-hwe-6.5
linux-hwe-edge
linux-ibm 5.15.0-1025.28
linux-ibm-5.4
linux-intel
linux-intel-5.13
linux-intel-iot-realtime
linux-intel-iotg 5.15.0-1025.30
linux-intel-iotg-5.15 5.15.0-1025.30~20.04.1
linux-iot
linux-kvm 5.15.0-1028.33
linux-lowlatency 5.15.0-60.66
linux-lowlatency-hwe-5.15 5.15.0-60.66~20.04.1
linux-lowlatency-hwe-5.19
linux-lowlatency-hwe-6.11
linux-lowlatency-hwe-6.2
linux-lowlatency-hwe-6.5
linux-nvidia 5.15.0-1017.17
linux-nvidia-6.2
linux-nvidia-6.5
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.14
linux-oem-5.17
linux-oem-5.6
linux-oem-6.0
linux-oem-6.1
linux-oem-6.11
linux-oem-6.5
linux-oem-6.8
linux-oracle 5.15.0-1029.35
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.15 5.15.0-1029.35~20.04.1
linux-oracle-5.3
linux-oracle-5.4
linux-oracle-5.8
linux-oracle-6.5
linux-raspi 5.15.0-1024.26
linux-raspi-5.4
linux-raspi-realtime
linux-raspi2
linux-realtime
linux-riscv
linux-riscv-5.11
linux-riscv-5.15 5.15.0-1029.33~20.04.1
linux-riscv-5.19
linux-riscv-5.8
linux-riscv-6.5
linux-starfive-5.19
linux-starfive-6.2
linux-starfive-6.5
linux-xilinx-zynqmp

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