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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: RFCOMM: No fix to ensure that user input is validated before setting the setsockopt function. The syzbot reported that the rfcommsocksetsockoptold function copies data without checking the length of the user input...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bcsp: receives data only if registered Currently, the bcsprecv function can still be called even when the BCSP protocol has not been registered. This leads to a NULL pointer dereference, as shown in the following stack...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP – Fixed issue where multiple L2CAPECREDCONNREQUESTs were accepted. Currently, the code attempts to accept requests regardless of the command identifier. This can result in multiple requests being marked as pendin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: ISO: Fixed multiple calls to isoinit when debugfs is disabled. If bt DebugFS is not created successfully—which occurs if CONFIGDEBUGFS or CONFIGDEBUGFSALLOWALL is not set—then isoinit returns early without setting...

Astra Linux – Vulnerability in Wireshark

Uncontrolled recursion in the Bluetooth DHT dissector in Wireshark versions 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows for denial of service through packet injection or crafted capture files...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a use-after-free in l2capdisconnectreq,rsp. Similar to the issue reported in commit d0be8347c623 "Bluetooth: L2CAP: Fix use-after-free caused by l2capchanput", use l2capchanholdunlesszero to prevent...

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

A vulnerability was discovered in the HCI socket implementation due to a missing capability check in the net/bluetooth/hcisock.c file within the Linux kernel. This flaw allows an attacker to execute management commands without authorization, compromising the confidentiality, integrity, and...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fixed the dereferencing of a null pointer in hcisyncconnCompleteEvt. This event is only specified for SCO and eSCO link types. Upon receiving a HCISynchronousConnectionComplete event for a BDADDR of an existing LE...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: Fixed the issue where enabling Bluetooth fails again for QCA6390 after a warm reboot. The commit 272970be3dab “Bluetooth: hciqca: Fixed the driver shutdown issue when the serdev is closed” causes the following...

Astra Linux – Vulnerability in Linux 5.10

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

Astra Linux – Vulnerability in Wireshark

The BT SDP dissector has an infinite loop in Wireshark versions 4.0.0 to 4.0.7, and 3.6.0 to 3.6.15. This issue allows for denial of service through packet injection or with crafted capture files...

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: l2cap: fixed a nullptrderef in l2capchantimeout. There is a race condition between l2capchantimeout and l2capchandel. When we use l2capchandel to delete the channel, the chan-conn will be set to null. However, the...

Astra Linux – Vulnerability in bluez

BlueZ Phone Book Access Profile Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ. User interaction is required to exploit this vulnerability, as the target must connect...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisysfs: Fixed an issue where the function deviceadd was called multiple times. The function deviceadd should not be called multiple times, as stated in its documentation: “Do not call this routine or deviceregister...

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: bnep: fixed wild-memory-access in protounregister The issues are as follows: KASAN: possible wild-memory-access within the range 0xdead...108-0xdead...10f CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G W RIP:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed an infinite loop caused by re-initializing ERTM and setting pdulen to zero. The l2capconfigreq function processes CONFIGREQ for channels in the BTCONNECTED state to support L2CAP reconfiguration e.g., M...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciaddadvmonitor KSAN reports a use-after-free in hciaddadvmonitor. When adding an adv monitor, hciaddadvmonitor calls msftaddmonitorpattern, which in turn calls...

Astra Linux – Vulnerability in Linux 5.10, Linux

There are use-after-free vulnerabilities in the net/bluetooth/l2capcore.c files, specifically in the l2capconnect and l2capleconnectreq functions. These vulnerabilities may allow code execution and the leakage of kernel memory remotely via Bluetooth. A remote attacker can execute code that leaks...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed a potential use-after-free when using clear keys. Similar to the commit c5d2b6fa26b5 "Bluetooth: Fixed a use-after-free in hciremoveltk/hciremoveirk". We cannot access the variable k after the kfreercu call...

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...