CVE-2026-72333

A flaw was found in the Linux kernel's Bluetooth L2CAP Logical Link Control and Adaptation Protocol implementation. A remote attacker, by continuously streaming data to a host, can trigger an identifier ident leak. This occurs because identifiers for certain commands, such as L2CAPLECREDITS, are...

CVE-2026-74540

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix UAF in l2capleconnectrsp l2capleconnectrsp obtains a channel via l2capgetchanbyident but neither holds a reference nor uses l2capchanholdunlesszero before locking and operating on it. A concurrent l2capchand...

CVE-2026-74540

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix UAF in l2capleconnectrsp l2capleconnectrsp obtains a channel via l2capgetchanbyident but neither holds a reference nor uses l2capchanholdunlesszero before locking and operating on it. A concurrent l2capchand...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP – Fixed issue where multiple L2CAPECREDCONNREQUESTs were accepted. Currently, the code attempts to accept requests regardless of the command identifier. This can result in multiple requests being marked as pendin...

The vulnerabilities of the functions l2cap_register_user() and l2cap_unregister_user() in the net/bluetooth/l2cap_core.c module of the Linux kernel’s Bluetooth subsystem allow a malicious actor to cause service failures.

The vulnerability of the functions l2capregisteruser and l2capunregisteruser in the net/bluetooth/l2capcore.c module of the Linux kernel’s Bluetooth subsystem is related to synchronization errors when using shared resources. Exploiting this vulnerability could allow a attacker to cause service...

MiracleLinux 8 : kernel-4.18.0-553.146.1.el8_10 (AXSA:2026-1384:55)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1384:55 advisory. kernel: RDMA/mana: Remove user triggerable WARNON in manaibcreateqprss CVE-2026-46117 kernel: Bluetooth: l2cap: Add missing chan lock in...

EUVD-2026-48778

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

CVE-2026-64434 Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

CVE-2026-64434

The provided reports (Linux kernel CVE-2026-64434) detail a use-after-free in Bluetooth L2CAP channel timeout (l2cap_chan_timeout) where chan->conn could be freed while a timer is pending. The effective fix is to have the channel hold a reference to the associated l2cap_conn (via l2cap_conn_ge...

CVE-2026-64403 Bluetooth: L2CAP: validate option length before reading conf opt value

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: validate option length before reading conf opt value l2capgetconfopt derives the option length from the attacker-controlled opt-len field and immediately dereferences opt-val as u8, getunalignedle16 or...

RLSA-2026:43307 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: afalg - zero initialize memory allocated via sockkmalloc CVE-2025-71113 kernel: scsi: core: Wake up the error handler when final completions race against each other CVE-2026-23110...

Oracle Linux 9 : kernel (ELSA-2026-43307)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-43307 advisory. - net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels Antoine Tenart RHEL-179297 CVE-2026-46099 - fanotify: fix false positive on permission events...

RockyLinux 10 : kernel (RLSA-2026:42919)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:42919 advisory. kernel: crypto: afalg - zero initialize memory allocated via sockkmalloc CVE-2025-71113 kernel: Linux kernel: Denial of Service due to memory leak in...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: afalg - zero initialize memory allocated via sockkmalloc CVE-2025-71113 kernel: scsi: core: Wake up the error handler when final completions race against each other CVE-2026-23110...

CVE-2026-63975

A flaw was found in the Bluetooth L2CAP Logical Link Control and Adaptation Protocol component of the Linux kernel. When a device receives a connection response with an already-assigned destination Channel Identifier CID, the system may crash. This occurs because the kernel's procedure for...

SUSE 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...

SUSE-SU-2026:22769-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-10263: arm64: cputype: Add C1-Premium definitions bsc1266290. - CVE-2025-39894: netfilter: brnetfilter: do not check confirmed bit in brnflocalin after confirm...

SUSE-SU-2026:22835-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-10263: arm64: cputype: Add C1-Premium definitions bsc1266290. - CVE-2025-39894: netfilter: brnetfilter: do not check confirmed bit in brnflocalin after confirm...

SUSE-SU-2026:22812-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-10263: arm64: cputype: Add C1-Premium definitions bsc1266290. - CVE-2025-39894: netfilter: brnetfilter: do not check confirmed bit in brnflocalin after confirm...