The vulnerability of the btsdioremove() function in the drivers/bluetooth/btsdio.c file of the Linux kernel’s Bluetooth device driver allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the btsdioremove function in the drivers/bluetooth/btsdio.c file of the Linux kernel’s Bluetooth device driver relates to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

kernel: Fix of 13 CVEs

fbdev: Fix vmalloc out-of-bounds write in fastimageblit CVE-2025-38685 - cnic: Fix use-after-free bugs in cnicdeletetask CVE-2025-39945 - scsi: bfa: Double-free fix CVE-2025-38699 - fbdev: fix potential buffer overflow in doregisterframebuffer CVE-2025-38702 - scsi: ses: Fix slab-out-of-bounds in...

The vulnerability of the bcsp_recv() function in the drivers/bluetooth/hci_bcsp.c module of the Linux Bluetooth device driver allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the bcsprecv function in the drivers/bluetooth/hcibcsp.c module of the Linux Bluetooth device driver framework is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the...

Azure Linux 3.0 Security Update: kernel (CVE-2024-24860)

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-2024-24860 advisory. - A race condition was found in the Linux kernel's bluetooth device driver in min,maxkeysizeset function. This...

Azure Linux 3.0 Security Update: kernel (CVE-2024-24857)

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-2024-24857 advisory. - A race condition was found in the Linux kernel's net/bluetooth device driver in conninfomin,maxageset...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001764)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001764 advisory. A race condition was found in the Linux kernel's bluetooth device driver in min,maxkeysizeset function. This can result in a null pointer dereference issue, possibly...

CVE-2025-71082

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: revert use of devmkzalloc in btusb This reverts commit 98921dbd00c4e "Bluetooth: Use devmkzalloc in btusb.c file". In btusbprobe, we use devmkzalloc to allocate the btusb data. This ties the lifetime of all the...

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-2023-54197

In the Linux kernel, the following vulnerability has been resolved: Revert "Bluetooth: btsdio: fix use after free bug in btsdioremove due to unfinished work" This reverts commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f. This patch introduces a possible null-ptr-def problem. Revert it. And the fix...

EUVD-2025-203782

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek: Avoid btusbmtkclaimisointf NULL deref In btusbmtksetup, we set btmtkdata-isopktintf to: usbifnumtoifdata-udev, MTKISOIFNUM That function can return NULL in some cases. Even when it returns NULL, though...

CVE-2025-68306

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek: Fix kernel crash when releasing mtk iso interface When performing reset tests and encountering abnormal card drop issues that lead to a kernel crash, it is necessary to perform a null check before...

Vulnerability of the btusb_mtk_claim_iso_intf() function in the drivers/bluetooth/btusb.c module – This driver for Bluetooth devices in the Linux kernel allows a hacker to trigger a service failure.

Vulnerability of the btusbmtkclaimisointf function in the drivers/bluetooth/btusb.c module – The Bluetooth device support driver in Linux operating systems is vulnerable due to improper resource release. Exploiting this vulnerability could allow an attacker to cause a service failure...

Vulnerability of the btmtk_usb_isointf_init() function in the drivers/bluetooth/btmtk.c module – This driver for Bluetooth devices in Linux allows a hacker to cause a service failure.

Vulnerability of the btmtkusbisointfinit function in the drivers/bluetooth/btmtk.c module – The Bluetooth device support driver in Linux operating systems relies on pointer swapping. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2025-40283

CVE-2025-40283 concerns the Linux kernel Bluetooth driver btusb (btusb_disconnect) where cleanup is performed in the wrong order, leading to a use-after-free (UAF) of btusb data after usb_driver_release_interface frees the interface data. The issue is observed as a KASAN slab-use-after-free read ...

EUVD-2025-93444

Out-of-bounds read in Windows Bluetooth RFCOM Protocol Driver allows an authorized attacker to disclose information locally...

kernel: Linux kernel: Denial of Service in Bluetooth HCI UART driver via null pointer dereference

A flaw was found in the Linux kernel's Bluetooth HCI UART driver. A race condition exists where the hciuartwritework function may attempt to access uninitialized private data if a TTY write wakeup occurs during the protocol initialization phase. This can lead to a NULL pointer dereference,...

kernel: Bluetooth: btrtl: check for NULL in btrtl_setup_realtek()

A NULL pointer access may result in compromised availability...

kernel: Linux kernel: Denial of Service in Bluetooth HCI UART driver via null pointer dereference

A flaw was found in the Linux kernel's Bluetooth HCI UART driver. A race condition exists where the hciuartwritework function may attempt to access uninitialized private data if a TTY write wakeup occurs during the protocol initialization phase. This can lead to a NULL pointer dereference,...

Microsoft Bluetooth Driver 缓冲区错误漏洞

Microsoft Bluetooth Driver is an application software Bluetooth driver from Microsoft Corporation USA. A buffer error vulnerability exists in Microsoft Bluetooth Driver. An attacker could exploit this vulnerability to obtain sensitive information. The following products and editions are...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek: Fix double free of skb in coredump hcidevcdappend would free the skb on error so the caller don't have to free it again otherwise it would cause the double free of skb. Reported-by : Dan Carpenter...