Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Fixed a NULL pointer dereferencing in qcasetup, which occurred for non-serdev devices. For devices connected via non-serdev paths, hu-serdev is NULL. However, qcasetup serdevdevicegetdrvdatahu-serdev and...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Use deltimersync before freeing the timer. When checking a crash report regarding a corrupted timer list, it was found that this issue usually occurs when a timer is freed while still active. This problem is...

CVE-2026-74304

A flaw was found in the Bluetooth subsystem of the Linux kernel, specifically within the hciqca module. This vulnerability occurs when the qcasetup function is called for hciuart devices connected through non-serdev paths, leading to a NULL pointer dereference. A local attacker could potentially...

Linux Distros Unpatched Vulnerability : CVE-2026-74304

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hciqca: fix NULL pointer dereference in qcasetup for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcasetup...

CVE-2026-74303

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcadmphdr for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcadmphdr unconditionally dereferences hu-serdev-dev.driver-name, causing a NULL...

CVE-2026-74304

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcasetup for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcasetup unconditionally calls serdevdevicegetdrvdatahu-serdev and dereferences th...

UBUNTU-CVE-2026-74304

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcasetup for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcasetup unconditionally calls serdevdevicegetdrvdatahu-serdev and dereferences th...

CVE-2026-74303

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcadmphdr for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcadmphdr unconditionally dereferences hu-serdev-dev.driver-name, causing a NULL...

UBUNTU-CVE-2026-74303

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcadmphdr for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcadmphdr unconditionally dereferences hu-serdev-dev.driver-name, causing a NULL...

CVE-2026-74304 Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcasetup for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcasetup unconditionally calls serdevdevicegetdrvdatahu-serdev and dereferences th...

EUVD-2026-59451

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcasetup for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcasetup unconditionally calls serdevdevicegetdrvdatahu-serdev and dereferences th...

CVE-2026-74303 Bluetooth: hci_qca: fix NULL pointer dereference in qca_dmp_hdr() for non-serdev device

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcadmphdr for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcadmphdr unconditionally dereferences hu-serdev-dev.driver-name, causing a NULL...

CVE-2026-74304

The CVE-2026-74304 issue affects the Linux kernel Bluetooth hci_qca driver. In qca_setup(), hu->serdev may be NULL for hci_uart attached via non-serdev paths, yet the code unconditionally calls serdev_device_get_drvdata(hu->serdev) and dereferences it, causing a NULL pointer dereference. Th...

CVE-2026-74303

The CVE-2026-74303 issue concerns the Linux kernel Bluetooth stack (hci_qca). A NULL pointer dereference occurs in qca_dmp_hdr() when handling non-serdev devices: hu->serdev is NULL for hci_uart attached via non-serdev paths, yet the function dereferences hu->serdev->dev.driver->name....

EUVD-2026-59450

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcadmphdr for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcadmphdr unconditionally dereferences hu-serdev-dev.driver-name, causing a NULL...

CVE-2026-68389

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Clear memdump state on invalid dump size qcacontrollermemdump allocates qca-qcamemdump before processing the first dump packet. For a sequence-zero packet it then disables IBS, marks memdump collection active,...

EUVD-2022-54677

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Use deltimersync before freeing While looking at a crash report on a timer list being corrupted, which usually happens when a timer is freed while still active. This is commonly triggered by code calling deltim...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414324)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414324 advisory. In the Linux kernel before 5.16.3, drivers/bluetooth/hciqca.c misinterprets the devmgpiodgetindexoptional return value expects it to be NULL in the error case, where...

CVE-2022-49555

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Use deltimersync before freeing While looking at a crash report on a timer list being corrupted, which usually happens when a timer is freed while still active. This is commonly triggered by code calling deltim...

CVE-2022-49555 Bluetooth: hci_qca: Use del_timer_sync() before freeing

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Use deltimersync before freeing While looking at a crash report on a timer list being corrupted, which usually happens when a timer is freed while still active. This is commonly triggered by code calling deltim...