Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek – Add an interface release flow when USB is disconnected. MediaTek claims that there is a special USB interface for ISO data transmission. This interface must be released before unregistering an HCI...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: fixed leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns an error, the destroy callback will not be called. Fixed the issue of leaking references/memory in cases where this error occurs...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A use-after-free flaw was discovered in btsdioremove in the drivers\bluetooth\btsdio.c file within the Linux kernel. In this flaw, calling btsdioremove with an unfinished job may lead to a race condition, resulting in a User Account Fault UAF on HDev devices...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fix to ensure that the LED is cleaned up when btinit fails. The btinit function calls btledsinit to register the LED. However, if this function fails later, the btledscleanup function is not called to unregister the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: fix NULL-dereferencing on non-serdev controllers during suspension Qualcomm ROME controllers can be registered through the Bluetooth interface. In this case, the HCI UART serdev pointer is NULL. A missing sanity...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcidevcddump: Fixed an out-of-bounds error caused by devcoredumpv. Currently, both devcoredumpv and skbPutData in hcidevcddump use hdev-dump.head. However, devcoredumpv can free the buffer. According to the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fixed a dangling pointer in mgmtaddadvpatternsmonitorcomplete. This fix addresses the issue where, when status != -ECANCELED, mgmtpendingvalid was executed; otherwise, mgmtpendingfreecmd would free the memory, bu...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed the crash caused by hcisuspendsync. If hciunregisterdev frees the hcidev object, but hcisuspendnotifier may still access it, this can cause the program to crash. Here is the call trace: 102152.653246 Call Trace:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciconn: Fixed a crash that occurred during hcicreatecissync. When attempting to connect multiple ISO sockets without using DEFERSETUP, the following crash may occur: BUG: KASAN: Null pointer dereferencing in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: Fixed a UAF in lereadfeaturescomplete. This fix addresses the issue where the hciconn variable was freed before lereadfeaturescomplete, but after hcilereadremotefeaturessync. As a result, hciconndel -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: It is now possible to use hdev-workqueue when scheduling hdev-cmd,ncmdtimer. The syzbot is reporting an attempt to schedule the hdev-cmdwork task from systemwq to hdev-workqueue WQ, which is currently in a draining...

Astra Linux – Vulnerability in bluez

The bluetoothd function from the bluez library incorrectly preserves the discoverable status of adapters when a device is powered down, and restores that status when the device is powered on again. If a device is in the discoverable state while powered down, it will remain discoverable when the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there’s a use-after-free in hciremoveadvmonitor. By examining the disassembly, it can be seen that the issue arises from the access in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fixed the issue of the sentcmd skb being leaked before it was freed. The sentcmd memory was not freed before freeing hcidev, causing it to leak its contents...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fixed UAF in hciconntxdequeue This fixes the following UAF caused by not properly locking hdev when processing HCIEVNUMCOMPPKTS: BUG: KASAN: Slab-use-after-free in hciconntxdequeue+0x1be/0x220...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: fixed a memory leak in hciupdateadvdata. When hcicmdsyncqueue fails in hciupdateadvdata, the instptr is not freed, which can lead to a memory leak. To address this issue, ERRPTR/PTRERR was used instead of...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability, classified as critical, has been discovered in the Linux kernel. The affected component is the deltimer function in the file drivers/isdn/mISDN/l1oipcore.c of the Bluetooth module. This vulnerability allows for manipulation leading to memory deallocation after it has been freed. ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: A use-after-free issue was addressed in l2capunregisteruser. After the commit ab4eedb790ca “Bluetooth: L2CAP: Fix corrupted list in hcichandel”, l2capconndel uses conn-lock to protect access to conn-users...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btnxpuart: Fixed the issue with btnxpuartclose. Fixed the scheduling issue during the atomic operation in btnxpuartclose. Properly purged the transmit queue and freed the receiveskb. 10.973809 BUG: Scheduling during...

Astra Linux – Vulnerability in Linux

A flaw involving double-free memory corruption in the Linux kernel’s HCI device initialization subsystem was discovered. This flaw allows a malicious HCI TTY Bluetooth device to be attached to the system. A local user could exploit this flaw to crash the system. This flaw affects all Linux kernel...