CVE-2022-50166 Bluetooth: When HCI work queue is drained, only queue chained work

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

CVE-2022-50166

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

CVE-2022-50166

CVE-2022-50166 affects the Linux kernel Bluetooth HCI subsystem. When the HCI work queue is drained, a delayed command could still be queued to the drained workqueue, triggering a timeout in hci_cmd_timeout and a kernel warning. The root cause is the draining of the command/event/data processing ...

CVE-2022-50166 Bluetooth: When HCI work queue is drained, only queue chained work

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

UBUNTU-CVE-2025-38040

In the Linux kernel, the following vulnerability has been resolved: serial: mctrlgpio: split disablems into sync and nosync APIs The following splat has been observed on a SAMA5D27 platform using atmelserial: BUG: sleeping function called from invalid context at kernel/irq/manage.c:738 inatomic: ...

The vulnerability of the hci_init_stage_sync() function in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the hciinitstagesync function in the Linux operating system is related to read misses beyond the buffer boundaries. Exploiting this vulnerability can allow an attacker to cause a service failure...

Oracle Linux 9 : kernel (ELSA-2025-9080)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-9080 advisory. - Bluetooth: L2CAP: Fix corrupted list in hcichandel David Marlin RHEL-87890 CVE-2025-21969 - Bluetooth: L2CAP: Fix slab-use-after-free Read in...

PT-2025-28878

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free vulnerability exists in the vhci flush function within the Bluetooth HCI core of the Linux kernel. The vulnerability occurs when a thread closes a vhci file descriptor...

kernel security update

5.14.0-570.22.1.0.16.OL9 - nvme-pci: remove two deallocate zeroes quirks Orabug: 37756650 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys lis...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Handling of NULL sock pointer in l2capsockalloc A NULL sock pointer is passed into l2capsockalloc when it is called from l2capsocknewconnectioncb. Error handling mechanisms should also take this into account. A...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed an error code in chanallocskbcb. The chanallocskbcb function is supposed to return error pointers in case of errors. Returning NULL will lead to a NULL derefrence...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Protect the mgmtpending list with its own lock This involves using a mutex to protect the mgmtpending list from concurrent access, which can cause crashes. For example: ERROR: KASAN: Slab-use-after-free in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: In btusb, there is a risk of NULL pointer dereferencing in skbdequeue. A NULL pointer dereferencing can occur when processing a QCA firmware crash dump on WCN7851 0489:e0f3. 93.672166 Bluetooth: hci0: ACL memdump si...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: Check the dsbr size from the EFI variable Since the size of the struct btinteldsbr is already known, we can simply start checking there instead of querying the size of the EFI variable. If the final result doe...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl – Prevent potential NULL dereferencing. The btrtlinitialize function checks whether rtlloadfile either had an error or loaded a zero-length file. However, if it loads a zero-length file, the error code is not set...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btbcm: Fixed NULL dereferencing in btbcmgetboardname. The devmkstrdup function may return a NULL pointer if it fails, but this returned value is not checked in btbcmgetboardname. Add a NULL check in btbcmgetboardnam...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Fixed a slab-use-after-free read in mgmtremoveadvmonitorsync. This fixed the following crash: BUG: KASAN: Slab-use-after-free in mgmtremoveadvmonitorSync+0x3a/0xd0, net/bluetooth/mgmt.c:5543. A 8-byte read at...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek: Added locks for usbdriverclaiminterface The documentation for usbdriverclaiminterface states that “the device lock” is required when this function is called from locations other than probe. This seems ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a slab-use-after-free error in l2capsendcmd. After the hci sync command releases the l2capconn, the hci receive data work queue references the released l2cap Conn when sending data to the upper layer...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: eir: Fixed possible crashes when using eircreateadvdata. eircreateadvdata may attempt to add EIRFLAGS and EIRTXPOWER without checking whether those values are compatible with the structure...