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

The CVE-2026-46186 issue affects the Linux kernel Bluetooth virtio_bt driver. In virtbt_rx_handle(), the driver reads the leading pkt_type from the RX skb and forwards the remaining payload to hci_recv_frame() for all packet types (event/ACL/SCO/ISO) without verifying that the payload is large en...

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 linux-5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Avoid sg device teardown race The function sgremovesfpusercontext must not use sgdeviceDestroy after calling scsidevicePut. sgdeviceDestroy accesses the parent scsidevice request queue, which will already be set to NULL...

Astra Linux - уязвимость в 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 - 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, linux

In the Linux kernel, the following vulnerabilities have been resolved: ata: ahci: Match EMMAXSLOTS with SATAPMPMAXPORTS UBSAN reports an array-index-out-of-bounds error: 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...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: NFC: nci: uart: Set tty-discdata only in the successful path. Setting tty-discdata before opening the NCI device means that we need to clean up the state in error paths. This also creates a short window during which the device ma...

Astra Linux - уязвимость в qemu

A reachable assertion issue was detected in the USB EHCI emulation code of QEMU. This issue can occur during the processing of USB requests due to a faulty handling of the DMA memory map. A malicious privileged user within the guest environment may exploit this flaw to send invalid USB requests,...

Astra Linux - уязвимость в 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 works. The syzbot is reporting an attempt to schedule the hdev-cmdwork task from systemwq to hdev-workqueue WQ, which is currently in a draini...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: lookup hciconn on the RX path at the protocol level The hdev lock/lookup/unlock/use pattern in the packet RX path does not ensure that hciconn is not concurrently modified/deleted. This locking mechanism seems...

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...

SUSE CVE-2026-43373

In the Linux kernel, the following vulnerability has been resolved: net: ncsi: fix skb leak in error paths Early return paths in NCSI RX and AEN handlers fail to release the received skb, resulting in a memory leak. Specifically, ncsiaenhandler returns on invalid AEN packets without consuming the...

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...

CVE-2026-43291

CVE-2026-43291 affects the Linux kernel NFC NCI subsystem. A parameter validation flaw for variable-length data packets can trigger a DoS by breaking NFC communication with NCI chips. Root cause: code compared variable-length packet data against a maximum length derived from sizeof(struct), ignor...