UBUNTU-CVE-2023-54120

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix race condition in hidpsessionthread There is a potential race condition in hidpsessionthread that may lead to use-after-free. For instance, the timer is active while hidpdeltimer is called in hidpsessionthread. Aft...

CVE-2023-54120 Bluetooth: Fix race condition in hidp_session_thread

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix race condition in hidpsessionthread There is a potential race condition in hidpsessionthread that may lead to use-after-free. For instance, the timer is active while hidpdeltimer is called in hidpsessionthread. Aft...

CVE-2023-54120

CVE-2023-54120 concerns a race condition in the Linux kernel Bluetooth HIDP session thread that may cause a use-after-free. The vulnerability occurs when a timer remains active while hidp_del_timer is called in hidp_session_thread, potentially freeing the session and triggering a kernel panic in ...

CVE-2023-54036

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: Fix memory leaks with RTL8723BU, RTL8192EU The wifi + bluetooth combo chip RTL8723BU can leak memory especially? when it's connected to a bluetooth audio device. The busy bluetooth traffic generates lots of C2H ca...

CVE-2023-54038

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: return ERRPTR instead of NULL when there is no link hciconnectsco currently returns NULL when there is no link i.e. when hciconnlink returns NULL. scoconnect expects an ERRPTR in case of any error see line 266...

UBUNTU-CVE-2023-54036

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: Fix memory leaks with RTL8723BU, RTL8192EU The wifi + bluetooth combo chip RTL8723BU can leak memory especially? when it's connected to a bluetooth audio device. The busy bluetooth traffic generates lots of C2H ca...

CVE-2023-54038

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: return ERRPTR instead of NULL when there is no link hciconnectsco currently returns NULL when there is no link i.e. when hciconnlink returns NULL. scoconnect expects an ERRPTR in case of any error see line 266...

UBUNTU-CVE-2023-54038

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: return ERRPTR instead of NULL when there is no link hciconnectsco currently returns NULL when there is no link i.e. when hciconnlink returns NULL. scoconnect expects an ERRPTR in case of any error see line 266...

CVE-2023-54038 Bluetooth: hci_conn: return ERR_PTR instead of NULL when there is no link

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: return ERRPTR instead of NULL when there is no link hciconnectsco currently returns NULL when there is no link i.e. when hciconnlink returns NULL. scoconnect expects an ERRPTR in case of any error see line 266...

CVE-2023-54038

The CVE-2023-54038 issue affects the Linux kernel Bluetooth HCI path. The root cause is that hci_connect_sco() (and similarly hci_connect_cis()) returned NULL on error, causing sco_conn_add() to dereference hcon->hdev and crash. The fix switches to returning an ERR_PTR on error for both hci_co...

CVE-2023-54038 Bluetooth: hci_conn: return ERR_PTR instead of NULL when there is no link

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: return ERRPTR instead of NULL when there is no link hciconnectsco currently returns NULL when there is no link i.e. when hciconnlink returns NULL. scoconnect expects an ERRPTR in case of any error see line 266...

CVE-2023-54036 wifi: rtl8xxxu: Fix memory leaks with RTL8723BU, RTL8192EU

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: Fix memory leaks with RTL8723BU, RTL8192EU The wifi + bluetooth combo chip RTL8723BU can leak memory especially? when it's connected to a bluetooth audio device. The busy bluetooth traffic generates lots of C2H ca...

Bluetooth: Fix null-ptr-deref in l2cap_sock_resume_cb()

...

Linux Distros Unpatched Vulnerability : CVE-2023-54120

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: Fix race condition in hidpsessionthread There is a potential race condition in hidpsessionthread that may lead to use-after-free. For instance, the...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from Bluetooth hciconn returning NULL instead of ERRPTR when there is no connection, potentially resulting in a...

PT-2025-52995

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's Bluetooth implementation within the hci conn component. Specifically, the hci connect sco and hci connect cis functions were returning NULL when a lin...

PT-2025-53197

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists within the hidp session thread function, potentially leading to a use-after-free issue. Specifically, the timer may remain active while hidp del timer is invoked...

The vulnerability of the hci_suspend_notifier() function in the net/bluetooth/hci_core.c file of the Linux operating system’s Bluetooth subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the hcisuspendnotifier function in the net/bluetooth/hcicore.c file of the Linux kernel’s Bluetooth subsystem is related to synchronization errors when using shared resources. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity,...

CLSA-2025-1766488019 kernel: Fix of 63 CVEs

scsi: target: iscsi: Fix timeout on deleted connection CVE-2025-38075 - tls: wait for pending async decryptions if tlsstrpmsghold fails CVE-2025-40176 - cloneprivatemnt: make sure that caller has CAPSYSADMIN in the right userns CVE-2025-38499 - rcu: Fix rcureadunlock deadloop due to IRQ work...

kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...