CVE-2026-68085

A flaw was found in the Linux kernel's Bluetooth Host Controller Interface HCI Universal Asynchronous Receiver/Transmitter UART driver. This vulnerability occurs when a Bluetooth device is reopened after a pending write operation was canceled, but an internal flag indicating a pending write is no...

SUSE CVE-2026-46275

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: fix UAFs and race conditions in close and init paths Vulnerabilities leading to Use-After-Free UAF and Null Pointer Dereference NPD conditions were observed in the lifecycle management of hciuart. The primary...

CVE-2026-46275

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: fix UAFs and race conditions in close and init paths Vulnerabilities leading to Use-After-Free UAF and Null Pointer Dereference NPD conditions were observed in the lifecycle management of hciuart. The primary...

UBUNTU-CVE-2026-46275

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: fix UAFs and race conditions in close and init paths Vulnerabilities leading to Use-After-Free UAF and Null Pointer Dereference NPD conditions were observed in the lifecycle management of hciuart. The primary...

EUVD-2026-35079

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: fix UAFs and race conditions in close and init paths Vulnerabilities leading to Use-After-Free UAF and Null Pointer Dereference NPD conditions were observed in the lifecycle management of hciuart. The primary...

CVE-2026-46275

CVE-2026-46275 affects the Linux kernel Bluetooth hci_uart subsystem, with Use-After-Free and race conditions in lifecycle teardown (init/close paths) that can trigger UAFs and NPDs when workqueues and protocol paths are torn down. The documented fix involves reordering ttys close handling (clear...

CVE-2026-46275 Bluetooth: hci_uart: fix UAFs and race conditions in close and init paths

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: fix UAFs and race conditions in close and init paths Vulnerabilities leading to Use-After-Free UAF and Null Pointer Dereference NPD conditions were observed in the lifecycle management of hciuart. The primary...

Linux Distros Unpatched Vulnerability : CVE-2026-46275

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hciuart: fix UAFs and race conditions in close and init paths Vulnerabilities leading to Use- After-Free UAF and Null Pointer Dereference NPD...

Linux Distros Unpatched Vulnerability : CVE-2026-23146

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hciuart: fix null-ptr-deref in hciuartwritework hciuartsetproto sets HCIUARTPROTOINIT before calling hciuartregisterdev, which calls proto-open to...

CVE-2026-23146

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: fix null-ptr-deref in hciuartwritework hciuartsetproto sets HCIUARTPROTOINIT before calling hciuartregisterdev, which calls proto-open to initialize hu-priv. However, if a TTY write wakeup occurs during this...

CVE-2026-23146 Bluetooth: hci_uart: fix null-ptr-deref in hci_uart_write_work

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: fix null-ptr-deref in hciuartwritework hciuartsetproto sets HCIUARTPROTOINIT before calling hciuartregisterdev, which calls proto-open to initialize hu-priv. However, if a TTY write wakeup occurs during this...

CVE-2026-23146

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: fix null-ptr-deref in hciuartwritework hciuartsetproto sets HCIUARTPROTOINIT before calling hciuartregisterdev, which calls proto-open to initialize hu-priv. However, if a TTY write wakeup occurs during this...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988681)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988681 advisory. In the Linux kernel, the following vulnerability has been resolved: tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer Driver's probe allocates...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986935)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986935 advisory. In the Linux kernel, the following vulnerability has been resolved: tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer Driver's probe allocates...

DEBIAN-CVE-2022-49202

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: add missing NULL check in h5enqueue Syzbot hit general protection fault in pmruntimeresume. The problem was in missing NULL check. hu-serdev can be NULL and we should not blindly pass &serdev-dev somewhere,...

CVE-2022-48871 tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer

In the Linux kernel, the following vulnerability has been resolved: tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer Driver's probe allocates memory for RX FIFO port-rxfifo based on default RX FIFO depth, e.g. 16. Later during serial startup the qcomgeniserialportsetup...

CVE-2022-48871

In the Linux kernel, the following vulnerability has been resolved: tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer Driver's probe allocates memory for RX FIFO port-rxfifo based on default RX FIFO depth, e.g. 16. Later during serial startup the qcomgeniserialportsetup...

USN-6464-1 linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-oracle, linux-raspi, linux-starfive vulnerabilities

Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2023-31083 Lin Ma discovered that the Netlink...

USN-6439-2 linux-aws vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Yu Hao and Weiteng Chen discovered that the Bluetooth HCI...

USN-6440-1 linux, linux-aws, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities

Seth Jenkins discovered that the Linux kernel did not properly perform address randomization for a per-cpu memory management structure. A local attacker could use this to expose sensitive information kernel memory or in conjunction with another kernel vulnerability. CVE-2023-0597 It was discovere...