Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: SCO: Fixed UAF in scosocktimeout. The conn-sk might have been unlinked/freed while waiting for scoconnlock. Therefore, this check determines whether conn-sk is still valid by verifying that it is part of scosklist...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: In hci, fix for null-ptr-deref in hcireadsupportedcodecs. Fix hcicmdsyncsk to return not NULL for unknown opcodes. hcicmdsyncsk returns NULL if a command returns a status event. However, it also returns NULL where a...

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 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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: l2cap: Check the encryption key size during incoming connections. This is required for passing the GAP/SEC/SEM/BI-04-C PTS test case: - Security Mode: 4, Level: 4, Responder: Invalid Encryption Key Size - Key Size:...

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 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 5.15

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, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Potential use-after-free issues have been avoided in hcierrorreset. When handling the HCIEVHARDWAREERROR event, if the underlying BT controller is not responding, the GPIO reset mechanism will free the hcidev, leading ...

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 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 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 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 Linux

Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of the Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in orde...

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 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 – 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 – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability classified as critical was discovered in the Linux kernel. The vulnerability affects the function l2capreassemblesdu in the file net/bluetooth/l2capcore.c of the Bluetooth component. This vulnerability stems from improper memory management, leading to an attempt to reuse freed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a nullptrderef issue in l2capsockreadycb. Before using a sk pointer, check if it is null. The following issues have also been fixed: KASAN: Nullptrderef in the range 0x0000000000000260-0x000000000000026...

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...