kernel: Linux kernel: Information disclosure and denial of service in Bluetooth HCI event handling

A flaw was found in the Linux kernel's Bluetooth component. A local attacker with low privileges could exploit a vulnerability in the Host Controller Interface HCI event processing. This issue arises from improper handling of command complete events with unknown opcodes, which can lead to the...

SUSE CVE-2026-23009

In the Linux kernel, the following vulnerability has been resolved: xhci: sideband: don't dereference freed ring when removing sideband endpoint xhcisidebandremoveendpoint incorrecly assumes that the endpoint is running and has a valid transfer ring. Lianqin reported a crash during suspend/wake-u...

CVE-2026-22998

CVE-2026-22998 affects the Linux kernel’s NVMe over Fabrics NVMe-TCP path. The issue is a NULL pointer dereference in nvmet_tcp_build_pdu_iovec triggered by H2C_DATA PDUs when command data structures are uninitialized or partially initialized. Specifically, nvmet_tcp_handle_h2c_data_pdu() could p...

Linux Distros Unpatched Vulnerability : CVE-2026-23009

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xhci: sideband: don't dereference freed ring when removing sideband endpoint xhcisidebandremoveendpoint incorrecly assumes that the endpoint is running and has ...

Azure Linux 3.0 Security Update: kernel (CVE-2024-57981)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-57981 advisory. - In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Fix NULL pointer dereference ...

ROS-20260119-7329

A vulnerability in the ufsbsgremove function of the drivers/ufs/core/ufsbsg.c module of the Linux kernel's UFS Universal Flash Storage host controller support is related to the reuse of previously freed memory. Exploitation of the vulnerability could allow an attacker to affect the confidentialit...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003720)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003720 advisory. An issue was discovered in the Linux kernel before 5.0.5. There is a use-after-free issue when hciuartregisterdev fails in hciuartsetproto in...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003950)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003950 advisory. An issue was discovered in the Linux kernel before 5.0.5. There is a use-after-free issue when hciuartregisterdev fails in hciuartsetproto in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001579)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001579 advisory. A flaw use-after-free in function scosocksendmsg of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIOREGISTER or other way triggers race...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002698)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002698 advisory. The vhcihcd driver in the Linux Kernel before version 4.14.8 and 4.4.114 allows allows local attackers to disclose kernel memory addresses. Successful exploitation...

kernel: Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync

A flaw was found in the Linux kernel’s Bluetooth subsystem HCI. Specifically, in the function hciaclcreateconnsync and related path hcilecreateconnsync, a connection object in state BTOPEN that is still pending command submission may be freed prematurely, leading to a use-after-free condition. An...

CVE-2025-53470 Apache Mynewt NimBLE: Out-of-Bounds Write Vulnerability in NimBLE HCI H4 driver

Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memory read in H4 driver. This issue affects Apache NimBLE: through 1.8. This issue requires a broken or bogus Bluetooth controller and thus severity is considered low. Users are...

CVE-2025-53477 Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer

NULL Pointer Dereference vulnerability in Apache Nimble. Missing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference. This issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low. This issue...

CVE-2025-53477 Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer

NULL Pointer Dereference vulnerability in Apache Nimble. Missing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference. This issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low. This issue...

EUVD-2026-1853

NULL Pointer Dereference vulnerability in Apache Nimble. Missing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference. This issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low. This issue...

Apache NimBLE 缓冲区错误漏洞

Apache NimBLE is an open source Bluetooth 5.4 stack host and controller from the Apache Foundation, USA, that completely replaces the proprietary SoftDevice on Nordic chipsets.It is part of the Apache Mynewt project. A buffer error vulnerability exists in Apache NimBLE 1.8 and earlier versions,...

PT-2026-1815

Name of the Vulnerable Software and Affected Versions Apache NimBLE versions through 1.8 Description An out-of-bounds read issue exists in the Apache NimBLE HCI H4 driver. A specially crafted HCI event can cause an invalid memory read within the H4 driver. The issue is considered low severity as ...

PT-2026-1816

Name of the Vulnerable Software and Affected Versions Apache NimBLE versions through 1.8.0 Description A flaw exists in Apache NimBLE where missing validation of an HCI connection complete or HCI command TX buffer can result in a NULL pointer dereference. This issue requires disabled asserts and ...

CVE-2022-50809

In the Linux kernel, the following vulnerability has been resolved: xhci: dbc: Fix memory leak in xhciallocdbc If DbC is already in use, then the allocated memory for the xhcidbc struct doesn't get freed before returning NULL, which leads to a memleak...

EUVD-2022-55889

In the Linux kernel, the following vulnerability has been resolved: xhci: dbc: Fix memory leak in xhciallocdbc If DbC is already in use, then the allocated memory for the xhcidbc struct doesn't get freed before returning NULL, which leads to a memleak...