kernel: Bluetooth: hci_sync: Fix UAF in le_read_features_complete

A flaw was found in the Bluetooth Host Controller Interface HCI synchronization module hcisync of the Linux kernel. A use-after-free UAF vulnerability exists in the lereadfeaturescomplete function, where a freed hciconn object is accessed. This can allow an attacker to cause a system crash, leadi...

EUVD-2026-34129

In the Linux kernel, the following vulnerability has been resolved: nfc: hci: shdlc: Stop timers and work before freeing context llcshdlcdeinit purges SHDLC skb queues and frees the llcshdlc structure while its timers and state machine work may still be active. Timer callbacks can schedule smwork...

CVE-2026-46186

Summary: CVE-2026-46186 affects the Linux kernel Bluetooth virtio_bt driver. The vulnerability arises in virtbt_rx_handle(), which reads the leading pkt_type byte from RX skb and forwards the rest to hci_recv_frame() for multiple packet types without validating that the remaining payload is large...

CVE-2026-46111

The CVE concerns a use-after-free in the Linux kernel Bluetooth stack (hci_conn, BIG creation). The patch adds hci_conn_valid() in create_big_sync() to detect stale connections before BIG creation, handles -ECANCELED in create_big_complete(), and re-validates under hci_dev_lock() before dereferen...

CVE-2026-46056 Bluetooth: hci_event: fix potential UAF in SSP passkey handlers

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix potential UAF in SSP passkey handlers hciconn lookup and field access must be covered by hdev lock in hciuserpasskeynotifyevt and hcikeypressnotifyevt, otherwise the connection can be freed concurrently...

Astra Linux - уязвимость в qemu

A heap-based buffer overflow was discovered in the SDHCI device emulation of QEMU. The bug is triggered when both s-datacount and the size of s-fifobuffer are set to 0x200, leading to an out-of-bound access. A malicious guest could exploit this flaw to crash the QEMU process on the host, resultin...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fixed a race condition in the DMA ring dequeue process The HCI DMA dequeue path hcidmadequeuexfer may be invoked for multiple transfers that time out at approximately the same time. However, this function is no...

Astra Linux - уязвимость в 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...

SUSE CVE-2026-43488

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Prevent interrupt storm on host controller error HCE The xHCI controller reports a Host Controller Error HCE in UAS Storage Device plug/unplug scenarios on Android devices. HCE is checked in xhciirq function and causes...

CVE-2026-43488

A flaw was found in the Linux kernel's xHCI eXtensible Host Controller Interface driver. When a USB Attached SCSI UAS storage device is connected or disconnected, the xHCI controller can report a Host Controller Error HCE. Improper handling of this error can lead to an interrupt storm, causing...

SUSE CVE-2026-43353

In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fix race in DMA ring dequeue The HCI DMA dequeue path hcidmadequeuexfer may be invoked for multiple transfers that timeout around the same time. However, the function is not serialized and can race with itself...

CVE-2026-43352

A flaw was found in the Linux kernel's I3C Improved Inter-Integrated Circuit Host Controller Interface HCI driver. Incorrect handling of DMA Direct Memory Access ring aborts can lead to the unintentional clearing of RINGCTRLENABLE. This action resets hardware ring pointers and disrupts the...

CVE-2026-43322

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...

PT-2026-39014

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the HCI DMA dequeue path within the hci dma dequeue xfer function. This function, which is not serialized, can be invoked for multiple transfers that timeout...

SUSE 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...

SUSE CVE-2026-43023

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: fix race conditions in scosockconnect scosockconnect checks skstate and sktype without holding the socket lock. Two concurrent connect syscalls on the same socket can both pass the check and enter scoconnect,...

PT-2026-37429

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A data race exists in the Bluetooth component involving the hdev-req status variable. While hci cmd sync sk modifies this variable under the hdev-req lock, other functions—including hci...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xHCI: Corruption of the command ring pointer occurred during command aborts. The command ring pointer is located at bits 6:63 of the command ring control register CRCR. All control bits, such as those related to command stopping...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Use hdev-workqueue when scheduling hdev-cmd,ncmdtimer works. syzbot reports that an attempt is made to schedule hdev-cmdwork from systemwq to hdev-workqueue WQ, which is currently in a draining operation 1. Commit...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ata: ahci: Match EMMAXSLOTS with SATAPMPMAXPORTS UBSAN complains about array-index-out-of-bounds: 1.980703 kernel: UBSAN: array-index-out-of-bounds in /build/linux-9H675w/linux-5.15.0/drivers/ata/libahci.c:968:41 1.980709 kernel:...