CVE-2026-64127

A flaw was found in the Linux kernel's Bluetooth L2CAP Logical Link Control and Adaptation Protocol component. A paired Bluetooth device could exploit this vulnerability by sending a specially crafted reconfiguration request. This would cause the kernel to inadvertently disclose a portion of its...

Linux Distros Unpatched Vulnerability : CVE-2026-63948

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: L2CAP: fix chan ref leak in l2capchantimeout on !conn setchantimer takes a l2capchan reference via l2capchanhold before scheduling the delayed work...

Linux Distros Unpatched Vulnerability : CVE-2026-63947

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: HIDP: fix missing length checks in hidpinputreport hidpinputreport reads keyboard and mouse payload data from an skb without first verifying that...

Linux Distros Unpatched Vulnerability : CVE-2026-42566

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Meshtastic is an open source mesh networking solution. Prior to version 2.7.23.b246bcd, a single node advertising a User.longname that contains a malformed...

Linux Distros Unpatched Vulnerability : CVE-2026-63945

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: ISO: serialize isosockcleartimer with socket lock isosockclose calls isosockcleartimer before acquiring locksocksk. isosockcleartimer reads...

Linux Distros Unpatched Vulnerability : CVE-2026-64206

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: L2CAP: cancel pendingrxwork before taking conn-lock l2capconndel takes conn-lock and then calls cancelworksync for pendingrxwork. processpendingrx...

Linux Distros Unpatched Vulnerability : CVE-2026-64126

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: MGMT: validate Add Extended Advertising Data length MGMTOPADDEXTADVDATA is registered as a variable-length command, with MGMTADDEXTADVDATASIZE as the...

Linux Distros Unpatched Vulnerability : CVE-2026-63975

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: L2CAP: Fix possible crash on l2capecredconnrsp If dcid is received for an already-assigned destination CID the spec requires that both channels to be...

Linux Distros Unpatched Vulnerability : CVE-2026-63946

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: ISO: fix UAF in isorecvframe isorecvframe reads conn-sk under isoconnlock but releases the lock before using sk, with no reference held. A concurrent...

Linux Distros Unpatched Vulnerability : CVE-2026-63974

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcisync: Set HCICMDDRAINWORKQUEUE during device close Since hcidevclosesync can now be called during the reset path, we should also set...

Linux Distros Unpatched Vulnerability : CVE-2026-64178

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: bnep: Fix UAF read of dev-name bnepaddconnection needs to keep holding the bnepsessionsem while reading dev-name just like bnepgetconnlist does...

Linux Distros Unpatched Vulnerability : CVE-2026-64144

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: btmtk: fix urb-setuppacket leak in error paths The setuppacket of control urb is not freed if usbsubmiturb fails or the submitted urb is killed. Add...

Linux Distros Unpatched Vulnerability : CVE-2026-63976

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: l2cap: clear chan-ident on ECRED reconfiguration success l2capecredreconfrsp returns early on success without clearing chan-ident. Every other L2CAP...

Linux Distros Unpatched Vulnerability : CVE-2026-64128

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: ISO: drop ISOEND frames received without prior ISOSTART ISO data PDUs carry a packet-boundary flag indicating START, CONT, END or SINGLE. The ISOCONT...

Linux Distros Unpatched Vulnerability : CVE-2026-63991

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: 6lowpan: check skbclone return value in sendmcastpkt The skbclone function can return NULL if memory allocation fails. sendmcastpkt calls skbclone...

Linux Distros Unpatched Vulnerability : CVE-2026-64127

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: L2CAP: ecredreconfigure: send packed pdu, not stack pointer Commit 1c08108f3014 Bluetooth: L2CAP: Avoid -Wflex-array-member-not-at-end warnings...

Linux Distros Unpatched Vulnerability : CVE-2026-63944

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcisync: fix UAF in hcilecreatecissync hcilecreatecissync dereferences conn-conntimeout after releasing both rcureadlock and hcidevlockhdev. The con...

PT-2026-61647

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur in the Bluetooth L2CAP layer during connection teardown. The function l2cap conn del acquires the conn-lock mutex and subsequently calls cancel work sync for pending...

CVE-2026-42566

The CVE affects Meshtastic firmware prior to 2.7.23.b246bcd where a single node advertising a User.long_name containing malformed UTF-8 over LoRa can render other radios unusable over BLE when managed via the iOS app. Root cause: a null terminator can be placed in the middle of a multibyte sequen...

CVE-2026-42566 Meshtastic: Malformed UTF-8 in User.long_name broadcast over LoRa causes mesh-wide client decode failure

Meshtastic is an open source mesh networking solution. Prior to version 2.7.23.b246bcd, a single node advertising a User.longname that contains a malformed character encoding can render other radios unusable over BLE when managed through the iOS app. The malformed name does not need to be...