USN-8278-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8180-6: Linux kernel (Raspberry Pi) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

EUVD-2026-28606

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

CVE-2026-43069

A flaw was found in the Linux kernel's Bluetooth subsystem, specifically in the hcill component. A local user could exploit this vulnerability when the system attempts to download firmware. If the firmware content is invalid or empty after a successful request, the system fails to release the...

CVE-2026-43022

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hcicmdsyncqueueonce return -EEXIST if exists hcicmdsyncqueueonce needs to indicate whether a queue item was added, so caller can know if callbacks are called, so it can avoid leaking resources. Change the...

CVE-2026-31771

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: move wake reason storage into validated event handlers hcistorewakereason is called from hcieventpacket immediately after stripping the HCI event header but before hcieventfunc enforces the per-event minimum...

USN-8180-4 linux-azure-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8187-1 linux-nvidia-tegra, linux-nvidia-tegra-igx vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8180-2: Linux kernel (FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

The vulnerability of the hci_num_comp_pkts_evt() function in the net/bluetooth/hci_event.c module 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 hcinumcomppktsevt function in the net/bluetooth/hcievent.c module of the Linux operating system’s Bluetooth subsystem is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

The vulnerability of the mgmt_init_hdev() function in the net/bluetooth/mgmt.c module of the Linux kernel’s Bluetooth subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the mgmtinithdev function in the net/bluetooth/mgmt.c module of the Linux kernel’s Bluetooth subsystem is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the iso_listen_bis() function in the net/bluetooth/iso.c module of the Linux kernel’s Bluetooth subsystem allows a attacker to cause a service failure.

The vulnerability of the isolistenbis function in the net/bluetooth/iso.c module of the Linux kernel’s Bluetooth subsystem is related to the improper disabling or release of resources. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the hci_conn_add_sysfs() function in the net/bluetooth/hci_sysfs.c module of the Linux kernel’s Bluetooth subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the hciconnaddsysfs function in the net/bluetooth/hcisysfs.c module of the Linux kernel’s Bluetooth subsystem is related to state management errors. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of...

The vulnerability of the l2cap_disconnect_rsp() function in the net/bluetooth/l2cap_core.c module of the Linux kernel’s Bluetooth subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the l2capdisconnectrsp function in the net/bluetooth/l2capcore.c module of the Linux kernel’s Bluetooth subsystem is related to the dereferencing of the NULL pointer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

kernel: Linux kernel Bluetooth: Denial of Service due to use-after-free in connection handling

A flaw was found in the Linux kernel's Bluetooth subsystem. A use-after-free UAF vulnerability exists in the hcidisconnectallsync function. This can occur if a Bluetooth connection is deleted while a controller event is being processed concurrently. A local attacker could potentially exploit this...

kernel: Linux kernel Bluetooth: Denial of Service due to use-after-free in connection handling

A flaw was found in the Linux kernel's Bluetooth subsystem. A use-after-free UAF vulnerability exists in the hcidisconnectallsync function. This can occur if a Bluetooth connection is deleted while a controller event is being processed concurrently. A local attacker could potentially exploit this...

kernel: Linux kernel Bluetooth: Denial of Service due to use-after-free in connection handling

A flaw was found in the Linux kernel's Bluetooth subsystem. A use-after-free UAF vulnerability exists in the hcidisconnectallsync function. This can occur if a Bluetooth connection is deleted while a controller event is being processed concurrently. A local attacker could potentially exploit this...

kernel: Linux kernel Bluetooth: Denial of Service due to use-after-free in connection handling

A flaw was found in the Linux kernel's Bluetooth subsystem. A use-after-free UAF vulnerability exists in the hcidisconnectallsync function. This can occur if a Bluetooth connection is deleted while a controller event is being processed concurrently. A local attacker could potentially exploit this...

kernel: Linux kernel (CIFS): Use-after-free vulnerability allows data integrity compromise and denial of service

A flaw was found in the Linux kernel's Common Internet File System CIFS component. This use-after-free vulnerability occurs due to improper handling of server hostname information during connection re-establishment. An attacker on an adjacent network could exploit this, potentially leading to a...

The vulnerability of the hciSyncConnCompleteEvt() function in the net/bluetooth/hciEvent.c module of the Bluetooth subsystem in the Linux operating system allows a malicious actor to cause a service failure.

The vulnerability of the hciSyncConnCompleteEvt function in the net/bluetooth/hciEvent.c module of the Bluetooth subsystem in the Linux operating system is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...