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: hciuart: fixed a NULL pointer dereferencing in hciuartwritework The hciuartsetproto function sets HCIUARTPROTOINIT before calling hciuartregisterdev. This function calls proto-open to initialize hu-priv. However, if a...

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

A race condition was detected in the Linux kernel’s net/bluetooth code within the sniffmin,maxintervalset function. This can lead to a Bluetooth sniffing exception issue, potentially causing a denial of service...

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 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 memory leak in hcireqsyncComplete In the function hcireqsyncComplete, always free the previous sync request state before assigning a reference to a new one...

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 – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed the crash that occurs when using hcisuspendsync. If hciunregisterdev frees the hcidev object, but hcisuspendnotifier may still access it, this can cause the program to crash. Here is the call trace: 102152.653246...

Astra Linux – Vulnerability in Wireshark

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This issue was addressed in epan/dissectors/packet-btatt.c by validating opcodes...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: fixed a NULL dereferencing on non-serdev controllers during suspension. Qualcomm ROME controllers can be registered through the Bluetooth interface. In this case, the HCI UART serdev pointer is NULL. A missing...

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

A use-after-free flaw was discovered in btsdioremove in the drivers\bluetooth\btsdio.c file within the Linux kernel. In this flaw, calling btsdioremove with an unfinished job may lead to a race condition, resulting in a User Account Fault UAF on HDev devices...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed an issue involving a use-after-free in hcisendacl. This fix addresses the issue caused by receiving HCIEVDISCONNPHYLINKCOMPLETE, which does not call hciconndel without first checking whether conn-type is indee...

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

A vulnerability, classified as critical, has been discovered in the Linux kernel. The affected component is the deltimer function in the file drivers/isdn/mISDN/l1oipcore.c of the Bluetooth module. This vulnerability allows for manipulation leading to memory deallocation after it has been freed. ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed a possible deadlock in rfcommskstatechange. syzbot reports a possible deadlock in rfcommskstatechange 1. While rfcommsockconnect acquires the sk lock and waits for the rfcomm lock, rfcommsockrelease might acquire...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed a race condition in hidpsessionthread. There is a potential race condition in hidpsessionthread that may lead to a use-after-free. For example, the timer is active while hidpdeltimer is called in hidpsessionthrea...

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

A race condition was detected in the Bluetooth device driver of the Linux kernel’s min,maxkeysizeset function. This can lead to a null pointer dereferencing issue, potentially causing a kernel panic or a denial-of-service attack...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Validating the encsize parameter during loading. The Load Long Term Keys function stores the encsize parameter provided by the user and later uses it to determine the size of the fixed-size stack operations wh...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btmtksdio: Fixed a kernel oops in btmtksdiointerrupt. Fixed the following kernel oops in btmtksdiointerrrupt: 14.339134 btmtksdiointerrupt+0x28/0x54 14.339139 processsdiopendingirqs+0x68/0x1a0 14.339144...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fixed a memory leak in vhciwrite Syzkaller reported a memory leak as follows: ==================================== BUG: Memory leak Unreferenced object 0xffff88810d81ac00 size 240: ... Hex dump first 32 bytes: 0...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btmtksdio: fixed a use-after-free in btmtksdiorecvevent We should no longer access the skb buffer data after the hcirecvframe function is called. 39.634809 BUG: KASAN: use-after-free in btmtksdiorecvevent+0x1b0...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a use-after-free caused by l2capreassemblesdu. Fixed a race condition between the following two processes that run parallelly: 1. l2capreassemblesdu - chan-ops-recv l2capsockrecvcb - sockqueuercvskb. 2...

Astra Linux – Vulnerability in bluez

The bluetoothd function from the bluez library incorrectly preserves the discoverable status of adapters when a device is powered down, and restores that status when the device is powered on again. If a device is in the discoverable state while powered down, it will remain discoverable when the...