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, 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 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP – Fixed a potential issue after the “user-after-free” operation. This fix addresses all cases where allocating a buffer using allocskb might release the “chan lock”, and reacquiring the lock later could result in...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: fixed the “bad unlock balance” issue in l2capdisconnectrsp. The conn-chanlock is not acquired before l2capgetchanbyscid. If l2capgetchanbyscid returns NULL, then the “bad unlock balance” issue will be trigger...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed an issue where user input was not validated. The length of user input was checked before data was copied...

CVE-2026-43062

A flaw was found in the Linux kernel's Bluetooth L2CAP component. A type confusion vulnerability exists in the l2capecredreconfrsp function, where incoming data is incorrectly cast. This can lead to valid L2CAPECREDRECONFRSP packets being rejected and incorrect data being processed, potentially...

CVE-2026-43134 Bluetooth: L2CAP: Fix missing key size check for L2CAP_LE_CONN_REQ

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix missing key size check for L2CAPLECONNREQ This adds a check for encryption key size upon receiving L2CAPLECONNREQ which is required by L2CAP/LE/CFC/BV-15-C which expects L2CAPCRLEBADKEYSIZE...

CVE-2026-43119

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: annotate data-races around hdev-reqstatus hcicmdsyncsk sets hdev-reqstatus under hdev-reqlock: hdev-reqstatus = HCIREQPEND; However, several other functions read or write hdev-reqstatus without holding any loc...

CVE-2026-43119

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: annotate data-races around hdev-reqstatus hcicmdsyncsk sets hdev-reqstatus under hdev-reqlock: hdev-reqstatus = HCIREQPEND; However, several other functions read or write hdev-reqstatus without holding any loc...

PT-2026-37474

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Bluetooth L2CAP component fails to perform a key size check when receiving L2CAP LE CONN REQ. This missing validation is contrary to the L2CAP/LE/CFC/BV-15-C requirement, which expec...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of a key size check in Bluetooth L2CAP. This vulnerability may lead to unexpected...

CVE-2026-43062

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix type confusion in l2capecredreconfrsp l2capecredreconfrsp casts the incoming data to struct l2capecredconnrsp the ECRED connection response, 8 bytes with result at offset 6 instead of struct...

CVE-2026-43062

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix type confusion in l2capecredreconfrsp l2capecredreconfrsp casts the incoming data to struct l2capecredconnrsp the ECRED connection response, 8 bytes with result at offset 6 instead of struct...

CVE-2026-43021

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

CVE-2026-43019 Bluetooth: hci_conn: fix potential UAF in set_cig_params_sync

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: fix potential UAF in setcigparamssync hciconn lookup and field access must be covered by hdev lock in setcigparamssync, otherwise it's possible it is freed concurrently. Take hdev lock to prevent hciconn from...

Wireshark 2.2.x < 2.2.1 Multiple Vulnerabilities (macOS)

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 2.2.1. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-2.2.1 advisory. - In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture...

CVE-2026-5408

CVE-2026-5408 describes an uncontrolled recursion causing a crash in Wireshark’s BT-DHT protocol dissector. Affected versions are Wireshark 4.6.0–4.6.4 and 4.4.0–4.4.14, with impact listed as denial of service. The connected documents provide the vulnerability name, affected versions, and the exp...

SUSE CVE-2026-31512

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Validate PDU length before reading SDU length in l2capecreddatarcv l2capecreddatarcv reads the SDU length field from skb-data using getunalignedle16 without first verifying that skb contains at least...

CVE-2026-31498

A flaw was found in the Linux kernel's Bluetooth L2CAP Logical Link Control and Adaptation Protocol implementation. A remote attacker could exploit this by sending a malformed configuration request with a zero-valued maximum PDU Protocol Data Unit size. This could lead to an infinite loop,...

EUVD-2026-24872

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix ERTM re-init and zero pdulen infinite loop l2capconfigreq processes CONFIGREQ for channels in BTCONNECTED state to support L2CAP reconfiguration e.g. MTU changes. However, since both CONFINPUTDONE and...