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

Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections support pairing in Bluetooth Core Specification 4.2 through 5.4. However, these devices are vulnerable to certain man-in-the-middle attacks, which force the use of a short key length. This vulnerability may lead to the...

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 – 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 – 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 – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciconn: now returns ERRPTR instead of NULL when there is no link. Currently, hciconnectsco returns NULL when there is no link i.e., when hciconnlink returns NULL. scoconnect expects ERRPTR in case of any error see...

Astra Linux – Vulnerability in Linux 5.10

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 5.10

In the Linux kernel, the following vulnerability has been resolved: “Bluetooth: btsdio: fix use after free bug in btsdioRemove due to unfinished work” This issue has been resolved through commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f. This patch introduces a possible null-ptr-def problem...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: refactoring the malicious adv data check The issue of out-of-bound reads was detected at the end of the while loop involving the numreports loop. This could lead to false positives being recorded in the journal. A...

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 – 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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Race conditions in scosockconnect have been fixed. scosockconnect checks skstate and sktype without holding the socket lock. Two concurrent connect system calls on the same socket can both pass the check and enter...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciconn: Fixed a potential Universal Arbitrary Fault UAF in setcigparamssync. The lookup of hciconn and field access must be protected by the hdev lock in setcigparamssync. Otherwise, it’s possible that these...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: fixed a crash in setmeshsync and setmeshcomplete. There is a bug: KASAN: a stack-out-of-bounds issue in setmeshsync, caused by memcpy from a poorly declared on-stack flexible array. Another crash occurs in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Fixed corruption in command completion handlers and UAFs Commit 302a1f674c00 “Bluetooth: MGMT: Fixed possible UAFs” introduced mgmtpendingvalid, which not only validates pending commands but also unlinks them...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: Fixed a UAF in lereadfeaturescomplete. This fix addresses the issue where the hciconn variable was freed before lereadfeaturescomplete, but after hcilereadremotefeaturessync. As a result, hciconndel -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciconn: Fixed a crash that occurred during hcicreatecissync. When attempting to connect multiple ISO sockets without using DEFERSETUP, the following crash may occur: BUG: KASAN: Null pointer dereferencing in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btnxpuart: Resolved TX timeout error in power save stress test This fix addresses the TX timeout issue observed during a stress test on btnxpuart for several hours. As a result, the interval between two HCI commands...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fixed UAF in hciconntxdequeue This fixes the following UAF caused by not properly locking hdev when processing HCIEVNUMCOMPPKTS: BUG: KASAN: Slab-use-after-free in hciconntxdequeue+0x1be/0x220...

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 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek – Add an interface release flow when USB is disconnected. MediaTek claims that there is a special USB interface for ISO data transmission. This interface must be released before unregistering an HCI...