PT-2026-94602

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the Bluetooth subsystem when adv timeout expire passes a memory instance allocated via kmalloc to hci cmd sync queue without a destroy callback. This leads to...

CVE-2026-90256: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: use protolock for l2capdata to fix l2capdisconnind hciconn::l2capdata is accessed without locks in l2capdisconnind via hciconntimeout discwork - hciprotodisconnind - l2capdisconnind. This is UAF if the l2capconn...

CVE-2026-90090: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: Fix out-of-bounds DMA read in the TX path btmtksdiotxpacket rounds the transfer size up to the SDIO block size of 256 bytes, but hands the host controller the SKB buffer as is: err = sdiowritesbbdev-func,...

PT-2026-94601

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the Bluetooth MGMT component when a mesh send cancel command is cancelled. The mesh send cancel function queues a pending command with a NULL destroy callback,...

CVE-2026-90253: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: free the mesh send cancel command when it is cancelled meshsendcancel queues the pending command with a NULL destroy callback, so it is only freed if sendcancel runs. A cancelled entry is leaked, as...

PT-2026-94441

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth L2CAP implementation where l2cap chan::conn retains a reference and remains non-NULL even after the associated hci conn is deleted. Accessing fields such...

PT-2026-94603

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth component where hci setup sync queues a conn handle t with a NULL destroy callback. This leads to a memory leak if the entry is cancelled, as hci cmd syn...

CVE-2026-90092: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: reject accept queue add unless BTLISTEN New sk should not be added to parent socket accept queue after last l2capsockcleanuplisten has run in l2capsockteardowncb and state set to BTCLOSED, as that can result to...

PT-2026-94599

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth MSFT implementation where the read supported features function fails to properly validate the evt prefix len variable against the actual response length...

CVE-2026-90254: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: free the advertising instance on the failure and cancel paths advtimeoutexpire hands a kmalloced instance byte to hcicmdsyncqueue with a NULL destroy callback, and only advtimeoutexpiresync frees it. That leak...

PT-2026-94604

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the Bluetooth L2CAP implementation. The l2cap data member of hci conn is accessed without proper locking within the l2cap disconn ind function, which...

CVE-2026-90251: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MSFT: validate evtprefixlen against the response length readsupportedfeatures only checks that the response covers the fixed part of struct msftrpreadsupportedfeatures, which is 11 bytes: if skb-len evtprefixlen is an...

PT-2026-94600

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the Bluetooth MGMT component when an HCI command is cancelled. The mgmt hci cmd sync function queues pending commands with a NULL destroy callback, meaning they a...

CVE-2026-90091: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix race l2capsockcleanuplisten vs. putchan For L2CAP sockets without owning sk-sksocket, reading l2cappisk-chan may race against concurrent l2capsockkill - l2capsockputchan. This excludes simultaneous protoops...

CVE-2026-90089: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btnxpuart: Validate the FW dump header length nxpprocessfwdump pulls the ACL header off the frame and then reads seqnum and buflen from a struct nxpfwdumphdr placed at skb-data, without checking that the ACL payload is...

PT-2026-94440

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the Bluetooth L2CAP implementation. The problem occurs because a new socket may be added to the parent socket accept queue after the l2cap sock clean...

CVE-2026-90252: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: free the HCI command when it is cancelled mgmthcicmdsync queues the pending command with a NULL destroy callback, so it is only freed if sendhcicmdsync runs. A cancelled entry is leaked, as hcicmdsynccancelentry...

CVE-2026-90255: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: fix the SCO setup context lifetime hcisetupsync queues a connhandlet with a NULL destroy callback, so the context is only freed if hcienhancedsetupsync actually runs. An entry that is cancelled instead is...

Linux Distros Unpatched Vulnerability : CVE-2026-89774

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: SCO: hold sk properly in scoconnready sk deref in scoconnready must be done either under conn-lock, or holding a refcount, to avoid concurrent close...

CVE-2026-90257: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: avoid OOB read of build info string The virtbtsetupzephyr sends the Zephyr vendor command 0xfc08 Read Build Information and hands the response to btdevinfo and hcisetfwinfo as a "%s" string starting at skb-da...