CVE-2026-64408

A flaw was found in the Bluetooth Network Encapsulation Protocol BNEP module of the Linux kernel. The bnepaddconnection function reads the Logical Link Control and Adaptation Protocol L2CAP connection without properly holding a channel lock. This can allow a local attacker to trigger a...

kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

A flaw was found in the Linux kernel's Bluetooth Logical Link Control and Adaptation Protocol L2CAP implementation. A remote Bluetooth Low Energy BLE device can exploit this by sending a specially crafted L2CAP ECRED reconfiguration response. This can lead to the corruption of the channel list,...

EUVD-2026-45583

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix use-after-free race in nfcllcprecvcc A race condition exists in the NFC LLCP connection state machine where the connection acceptance packet CC can be processed concurrently with socket release. This can lead to a...

CVE-2026-64011

The CVE-2026-64011 issue affects the Linux kernel NFC LLCP path: llcp_sock_release() unlinks a socket from the local sockets list unconditionally, but if the socket is still in the connecting state it resides on the connecting list. The fix adds a state check and unlinks from the correct list, ad...

CVE-2026-64011

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix use-after-free in llcpsockrelease llcpsockrelease unconditionally unlinks the socket from the local sockets list. However, if the socket is still in connecting state, it is on the connecting list. Fix this by...

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 in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: nfc: Fixed a use-after-free in localcleanup. A use-after-free occurs in kfreeskb called from localcleanup. This can occur when killing the nfc daemon e.g., neard after detaching an nfc device. When detaching an nfc device,...

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-2026-43134

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...

nfc: llcp: add missing return after LLCP_CLOSED checks

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CVE-2026-31629 nfc: llcp: add missing return after LLCP_CLOSED checks

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: add missing return after LLCPCLOSED checks In nfcllcprecvhdlc and nfcllcprecvdisc, when the socket state is LLCPCLOSED, the code correctly calls releasesock and nfcllcpsockput but fails to return. Execution falls throu...

Bluetooth: L2CAP: Fix ERTM re-init and zero pdu_len infinite loop

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PT-2026-34417

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth L2CAP component where the l2cap ecred data rcv function reads the SDU length field from skb-data using get unaligned le16 without verifying that the sock...

CVE-2026-23462

A flaw was found in the Linux kernel's Bluetooth subsystem HIDP. A local attacker can exploit a use-after-free vulnerability by failing to properly drop a reference to an L2CAP Logical Link Control and Adaptation Protocol connection during a user removal callback. This memory corruption flaw may...

SUSE CVE-2026-23395

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix accepting multiple L2CAPECREDCONNREQ Currently the code attempts to accept requests regardless of the command identifier which may cause multiple requests to be marked as pending FLAGDEFERSETUP which can cau...

CVE-2026-23150

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix memleak in nfcllcpsenduiframe. syzbot reported various memory leaks related to NFC, struct nfcllcpsock, skbuff, nfcdev, etc. 0 The leading log hinted that nfcllcpsenduiframe failed to allocate skb due to sockerrors...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000483)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000483 advisory. A heap data infoleak in multiple locations including L2CAPPARSECONFRSP was found in the Linux kernel before 5.1-rc1. Tenable has extracted the preceding description...

kernel: Bluetooth: L2CAP: Fix user-after-free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2capchanholdunlesszero after calling l2capgetchanblah to prevent the following trace: Bluetooth: l2capcore.c:static void l2capchandestroystruct kref kref Bluetooth: chan...

kernel: Bluetooth: L2CAP: Fix use-after-free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2caplecommandrej...

Ubuntu Pro 24.04 LTS Realtime Kernel : Linux kernel (Raspberry Pi Real-time) vulnerabilities (USN-7800-1)

"The remote Ubuntu Pro 24.04 LTS Realtime Kernel host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7800-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This...