CVE-2022-49111 Bluetooth: Fix use after free in hci_send_acl

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix use after free in hcisendacl This fixes the following trace caused by receiving HCIEVDISCONNPHYLINKCOMPLETE which does call hciconndel without first checking if conn-type is in fact AMPLINK and in case it is do...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a post-release reuse issue in hcisendacl in the Bluetooth driver...

CVE-2022-49470: Use After Free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix use-after-free at btmtksdiorecvevent We should not access skb buffer data anymore after hcirecvframe was called. 39.634809 BUG: KASAN: use-after-free in btmtksdiorecvevent+0x1b0 39.634855 Read of size 1 ...

CVE-2022-49116: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use memset avoid memory leaks Use memset to initialize structs to prevent memory leaks in l2capecredconnect...

CVE-2022-49202: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciuart: add missing NULL check in h5enqueue Syzbot hit general protection fault in pmruntimeresume. The problem was in missing NULL check. hu-serdev can be NULL and we should not blindly pass &serdev-dev somewhere,...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a memory leak in Bluetooth...

CVE-2022-49200: Use of Uninitialized Resource

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: Fix kernel oops in btmtksdiointerrupt Fix the following kernel oops in btmtksdiointerrrupt 14.339134 btmtksdiointerrupt+0x28/0x54 14.339139 processsdiopendingirqs+0x68/0x1a0 14.339144 sdioirqwork+0x40/0x70...

CVE-2022-49139: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix null ptr deref on hcisyncconncompleteevt This event is just specified for SCO and eSCO link types. On the reception of a HCISynchronousConnectionComplete for a BDADDR of an existing LE connection, LE link type and ...

CVE-2022-49138: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Ignore multiple conn complete events When one of the three connection complete events is received multiple times for the same handle, the device is registered multiple times which leads to memory corruptions...

CVE-2022-49474: Use After Free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix dangling scoconn and use-after-free in scosocktimeout Connecting the same socket twice consecutively in scosockconnect could lead to a race condition where two scoconn objects are created but only one is associated...

Amazon Linux 2 : kernel (ALASKERNEL-5.15-2025-063)

The version of kernel installed on the remote host is prior to 5.15.178-120.178. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2025-063 advisory. Integer Overflow or Wraparound vulnerability in Linux kernel on x86 and ARM md, raid, raid5 modules allo...

CVE-2022-49136: Use After Free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix queuing commands when HCIUNREGISTER is set hcicmdsyncqueue shall return an error if HCIUNREGISTER flag has been set as that means hciunregisterdev has been called so it will likely cause a uaf after the...

CVE-2022-49111: Use After Free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix use after free in hcisendacl This fixes the following trace caused by receiving HCIEVDISCONNPHYLINKCOMPLETE which does call hciconndel without first checking if conn-type is in fact AMPLINK and in case it is do...

USN-7289-3 linux-ibm vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drivers; - GPU drivers; - HID subsystem; -...

USN-7289-2 linux-azure-5.15, linux-azure-fde-5.15, linux-oracle-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drivers; - GPU drivers; - HID subsystem; -...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7291-1)

"The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7291-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Siemens SIMATIC Devices Linux Kernel Use After Free (CVE-2022-42896)

There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2capcore.c's l2capconnect and l2capleconnectreq functions which may allow code execution and leaking kernel memory respectively remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-7289-2)

"The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7289-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

The vulnerability of the Linux operating system’s Bluetooth kernel component, which allows a hacker to trigger a service failure

The vulnerability of the Linux operating system’s Bluetooth kernel component is related to insufficient validation of input data. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the Linux operating system’s Bluetooth kernel component, which allows a hacker to trigger a service failure

The vulnerability of the Linux operating system’s Bluetooth kernel component is related to the assignment of the NULL pointer in the pairdevice function. Exploiting this vulnerability can allow an attacker to cause a service failure...