Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in Web Bluetooth in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcicore: Fixed possible buffer overflow issues. The struct hcidevinfo structure has a name8 field with a fixed size. In cases where hdev-name is larger than this size, strcpy would attempt to write beyond its size...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

A NULL pointer dereference vulnerability exists in the Linux kernel on Linux, x86, and ARM platforms including networking and Bluetooth modules. This vulnerability is related to the /net/bluetooth/rfcomm/core.C file. This issue affects the Linux kernel version v2.6.12-rc2...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed use-after-free bugs caused by scosocktimeout. When the sco connection is established, the sco sock is released. At that time, timeoutwork is scheduled to determine whether the sco disconnection is timed out. T...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcicodec: Fixed leaking content of localcodecs The following memory leak can be observed when the controller supports codecs that are stored in the localcodecs list, but the elements are never freed: Unreferenced...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a division by zero issue in l2capleflowctlinit. l2capleflowctlinit may cause both a division by zero and an integer overflow, as hdev-lemtu may not fall within the valid range. The MTU value was moved...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcill: Fixed firmware leak on the error path. Suggestions for improvement: drivers/bluetooth/hcill.c: Line 587 of downloadfirmware: A warning appears: “fw” from requestfirmware is not released on line 544. In...

Astra Linux – Vulnerability in bluez

Bluetooth HID Hosts in BlueZ may allow an unauthenticated peripheral role HID device to initiate and establish an encrypted connection, and to accept HID keyboard reports. This could potentially allow the injection of HID messages when no user interaction has occurred in the Central role, thereby...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcievent: fixed a potential UAF in hcileremoteconnparamreqevt. The hciconn lookup and field access must be protected by the hdev lock in hcileremoteconnparamreqevt. Otherwise, it is possible for the lock to be...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: fixed a race condition in hcicmdsyncdequeueonce. The function hcicmdsyncdequeueonce performs a lookup and then cancels the entry under two separate lock sections. Meanwhile, hcicmdsyncwork can also delete t...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fix for u8 overflow By continuously sending L2CAPCONFREQ packets, chan-numconfrsp increases multiple times, eventually exceeding the maximum number i.e., 255. This patch prevents this issue by adding a bounda...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s Bluetooth subsystem. In this flaw, users can simultaneously call the connect and disconnect functions on the socket, leading to a race condition. This flaw may cause the system to crash or allow an escalation of privileges. The most...

Astra Linux – Vulnerability in Linux 5.10, Linux

A vulnerability, classified as critical, was discovered in the Linux kernel. The affected function is l2capconndel in the file net/bluetooth/l2capcore.c of the Bluetooth component. This vulnerability allows for exploitation after the memory allocation has been freed. It is recommended that patche...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Call isoexit on module unloading. If isoinit has been called, isoexit must be called upon module unloading. Without this, the struct proto that isoinit registered with protoregister becomes invalid, which could cause...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: afbluetooth: Fixed deadlock issues Attempting to use socklock on .recvmsg may cause a deadlock as shown below. Therefore, instead of using socksock, use skreceivequeue.lock on btsockioctl to avoid UAF: INFO: Task...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed an error code in chanallocskbcb. The chanallocskbcb function is supposed to return error pointers in case of errors. Returning NULL will lead to a NULL derefrence...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: SCO: Fixed issue where user input is not validated before calling setockopt. The syzbot reported that scosocksetsockopt copies data without checking the length of the user input. BUG: KASAN: Out-of-bounds access in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fixed UAF in mgmtremoveadvmonitorcomplete. This fixed MGMTOPREMOVEADVMONITOR so that it does not use mgmtpendingadd, to avoid crashes like the one below:...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

The btsockrecvmsg function in net/bluetooth/afbluetooth.c in the Linux kernel, as of version 6.6.8, has a use-after-free issue due to a race condition involving btsockioctl...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: fixed a use-after-free in deviceforeachchild Syzbot has reported the following KASAN issue: BUG: KASAN: slab-use-after-free in deviceforeachchild+0x18f/0x1a0 Size 8 data read at address ffff88801f605308 by task kbne...