CVE-2026-23461

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capunregisteruser After commit ab4eedb790ca "Bluetooth: L2CAP: Fix corrupted list in hcichandel", l2capconndel uses conn-lock to protect access to conn-users. However, l2capregisteruser a...

CVE-2026-23462

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: Fix possible UAF This fixes the following trace caused by not dropping l2capconn reference when user-remove callback is called: 97.809249 l2capconnfree: freeing conn ffff88810a171c00 97.809907 CPU: 1 UID: 0 PID:...

CVE-2026-23462 Bluetooth: HIDP: Fix possible UAF

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: Fix possible UAF This fixes the following trace caused by not dropping l2capconn reference when user-remove callback is called: 97.809249 l2capconnfree: freeing conn ffff88810a171c00 97.809907 CPU: 1 UID: 0 PID:...

CVE-2026-23461

CVE-2026-23461: In the Linux kernel Bluetooth L2CAP, l2cap_register_user() and l2cap_unregister_user() did not consistently acquire conn->lock, creating a race with l2cap_conn_del() that can access conn->users and conn->hchan concurrently. This caused use-after-free and list corruption. ...

CVE-2026-23461 Bluetooth: L2CAP: Fix use-after-free in l2cap_unregister_user

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capunregisteruser After commit ab4eedb790ca "Bluetooth: L2CAP: Fix corrupted list in hcichandel", l2capconndel uses conn-lock to protect access to conn-users. However, l2capregisteruser a...

CVE-2026-23462

CVE-2026-23462 affects the Linux kernel Bluetooth stack (HIDP/L2CAP). The issue is a use-after-free related to not dropping the l2cap_conn reference during user remove callbacks, leading to a trace like l2cap_conn_free and cascading calls in the Bluetooth/hci_core paths. Connected sources confirm...

CVE-2026-23461 Bluetooth: L2CAP: Fix use-after-free in l2cap_unregister_user

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capunregisteruser After commit ab4eedb790ca "Bluetooth: L2CAP: Fix corrupted list in hcichandel", l2capconndel uses conn-lock to protect access to conn-users. However, l2capregisteruser a...

CVE-2026-23462 Bluetooth: HIDP: Fix possible UAF

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: Fix possible UAF This fixes the following trace caused by not dropping l2capconn reference when user-remove callback is called: 97.809249 l2capconnfree: freeing conn ffff88810a171c00 97.809907 CPU: 1 UID: 0 PID:...

PT-2026-30176

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the Bluetooth L2CAP implementation. Specifically, the l2cap information rsp function does not adequately validate the length of the L2CAP INFO RSP...

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 the lack of verification of the length of the L2CAPINFORSP payload, potentially leading to out-of-bound...

The vulnerability of the hci_cs_disconnect() function in the net/bluetooth/hci_event.c module of the Linux kernel’s Bluetooth subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the hcicsdisconnect function in the net/bluetooth/hcievent.c module of the Linux kernel’s Bluetooth subsystem is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

PT-2026-36434

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth MGMT component where the mesh send function fails to verify that the bytes provided for the flexible adv data array match the embedded adv data len field...

CVE-2026-28528

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Browsing Target GETFOLDERITEMS handler that fails to validate packet boundaries and attribute count data. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds...

CVE-2026-28526

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller LISTPLAYERAPPLICATIONSETTINGATTRIBUTES and LISTPLAYERAPPLICATIONSETTINGVALUES handlers that allows attackers to read beyond buffer boundaries. A nearby attacker with a paired Bluetooth...

CVE-2026-28527

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller GETPLAYERAPPLICATIONSETTINGATTRIBUTETEXT and GETPLAYERAPPLICATIONSETTINGVALUETEXT handlers that allows nearby attackers to read beyond packet boundaries. Attackers can establish a paire...

SUSE SLES15 Security Update : kernel (Live Patch 2 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:1132-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1132-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.6 fixes various security issues The following security issues were fixed: -...

PT-2026-38985

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth Security Manager Protocol SMP where the smp cmd pairing req function builds a pairing response based on the initiator's authentication requirements befor...

EUVD-2026-17089

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Browsing Target GETFOLDERITEMS handler that fails to validate packet boundaries and attribute count data. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds...

EUVD-2026-17085

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller LISTPLAYERAPPLICATIONSETTINGATTRIBUTES and LISTPLAYERAPPLICATIONSETTINGVALUES handlers that allows attackers to read beyond buffer boundaries. A nearby attacker with a paired Bluetooth...

CVE-2026-28527

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller GETPLAYERAPPLICATIONSETTINGATTRIBUTETEXT and GETPLAYERAPPLICATIONSETTINGVALUETEXT handlers that allows nearby attackers to read beyond packet boundaries. Attackers can establish a paire...