CVE-2026-45835

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsocknewconnectioncb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45835

CVE-2026-45835: In the Linux kernel, Bluetooth L2CAP code is vulnerable to a NULL pointer dereference in l2cap_sock_new_connection_cb() due to a missing NULL guard. The fix adds the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb(), addressing the null-ptr-deref ...

CVE-2026-45835 Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsocknewconnectioncb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45834 Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockstatechangecb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

EUVD-2026-31856

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockstatechangecb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

PT-2026-43303

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null pointer dereference occurs in the Bluetooth L2CAP component within the l2cap sock new connection cb function. A null pointer dereference is a runtime error that happens when a...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a lack of null pointer checking in the l2capsocknewconnectioncb function within the Bluetooth L2CAP...

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 a lack of null pointer checking in the l2capsockstatechangecb function within the Bluetooth L2CAP...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HCI: Fixed a potential null-ptr-deref issue. Fixed the potential null-ptr-deref in hcilebigsyncestablishedevt...

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...

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...