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...

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...

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...

CVE-2026-64178

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: Fix UAF read of dev-name bnepaddconnection needs to keep holding the bnepsessionsem while reading dev-name just like bnepgetconnlist does; otherwise the bnepsession thread can concurrently free the netdevice, whi...

CVE-2026-64144

In the Linux kernel, the following vulnerability has been resolved: 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 free in these two paths...

CVE-2026-64126

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate Add Extended Advertising Data length MGMTOPADDEXTADVDATA is registered as a variable-length command, with MGMTADDEXTADVDATASIZE as the fixed header size. The handler then uses cp-advdatalen and...

CVE-2026-64127

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: ecredreconfigure: send packed pdu, not stack pointer Commit 1c08108f3014 "Bluetooth: L2CAP: Avoid -Wflex-array-member-not-at-end warnings" converted the on-stack request PDU in l2capecredreconfigure from an...

CVE-2026-64128

In the Linux kernel, the following vulnerability has been resolved: 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 branch of isorecv guards against a missing ISOSTART by checking...

CVE-2026-63991

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: check skbclone return value in sendmcastpkt The skbclone function can return NULL if memory allocation fails. sendmcastpkt calls skbclone without checking the return value, which can lead to a NULL pointer...

CVE-2026-63974

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Set HCICMDDRAINWORKQUEUE during device close Since hcidevclosesync can now be called during the reset path, we should also set HCICMDDRAINWORKQUEUE. This avoids queuing timeouts while the hdev workqueue is bei...

CVE-2026-63976

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: clear chan-ident on ECRED reconfiguration success l2capecredreconfrsp returns early on success without clearing chan-ident. Every other L2CAP response handler l2capecredconnrsp, l2capleconnectrsp, l2capconfigrsp...

AZL-92823 CVE-2026-63974 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Set HCICMDDRAINWORKQUEUE during device close Since hcidevclosesync can now be called during the reset path, we should also set HCICMDDRAINWORKQUEUE. This avoids queuing timeouts while the hdev workqueue is bei...

CVE-2026-63975

In the Linux kernel, the following vulnerability has been resolved: 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 discarded, but calling l2capchandel may invalidate the tmp cursor...

CVE-2026-63945

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: serialize isosockcleartimer with socket lock isosockclose calls isosockcleartimer before acquiring locksocksk. isosockcleartimer reads isopisk-conn twice without the socket lock held: if !isopisk-conn return;...

CVE-2026-63946

In the Linux kernel, the following vulnerability has been resolved: 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 isosockkill can free sk in that window, causing use-after-free on...

CVE-2026-63948

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix chan ref leak in l2capchantimeout on !conn setchantimer takes a l2capchan reference via l2capchanhold before scheduling the delayed work. The normal path in l2capchantimeout drops this reference with...

CVE-2026-63947

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: fix missing length checks in hidpinputreport hidpinputreport reads keyboard and mouse payload data from an skb without first verifying that skb-len contains enough data. hidprecvintrframe pulls the 1-byte HIDP...

CVE-2026-63944

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix UAF in hcilecreatecissync hcilecreatecissync dereferences conn-conntimeout after releasing both rcureadlock and hcidevlockhdev. The conn pointer was obtained from an RCU-protected iteration over...