CVE-2026-63865

A flaw was found in the Linux kernel. The Berkeley Packet Filter BPF Linux Security Modules LSM feature incorrectly registered certain hooks, tasktoinode and inetconnestablished, as available for sleepable programs. These hooks are invoked in critical system contexts where program sleeping is not...

CVE-2026-64206

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: cancel pendingrxwork before taking conn-lock l2capconndel takes conn-lock and then calls cancelworksync for pendingrxwork. processpendingrx takes the same mutex, so teardown can deadlock against the worker it is...

CVE-2026-64206

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: cancel pendingrxwork before taking conn-lock l2capconndel takes conn-lock and then calls cancelworksync for pendingrxwork. processpendingrx takes the same mutex, so teardown can deadlock against the worker it is...

CVE-2026-63865

Technical details are not publicly available in the provided documents. Monitor for updates from vendors and security advisories to obtain affected products, impact, and remediation.

CVE-2026-63865 bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks

In the Linux kernel, the following vulnerability has been resolved: bpf: Drop tasktoinode and inetconnestablished from lsm sleepable hooks bpflsmtasktoinode is called under rcureadlock and bpflsminetconnestablished is called from softirq context, so neither hook can be used by sleepable LSM...

PT-2026-61261

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free read occurs in the Bluetooth subsystem within the hci le create cis sync function. The issue arises when the function dereferences the conn-conn timeout variable after...

CVE-2026-53251

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix not releasing hdev reference on isoconnbigsync hcigetroute returns a reference-counted hcidev pointer via hcidevhold. The function exits normally or with an error without ever releasing it...

CVE-2026-53271

CVE-2026-53271 affects the Linux kernel ksmbd component. The vulnerability is a NULL-deref in oplock/lease break notifiers: smb2_oplock_break_noti() and smb2_lease_break_noti() read opinfo->conn into a local buffer without READ_ONCE and without a NULL check. After opinfo_get_list() drops ci-&g...

CVE-2026-53271 ksmbd: fix NULL-deref of opinfo->conn in oplock/lease break notifiers

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither READONCE nor a NULL check. Both run from oplockbreak after opinfogetlist h...

PT-2026-52366

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL-dereference issue exists in the ksmbd module. The functions smb2 oplock break noti and smb2 lease break noti read the opinfo-conn variable without using READ ONCE or performing a...

Linux Distros Unpatched Vulnerability : CVE-2026-53072

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: fix locking in hciconnrequestevt with HCIPROTODEFER When protocol sets HCIPROTODEFER, hciconnrequestevt calls hciconnectcfmconn without hdev-lock...

PT-2026-52348

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth BNEP implementation where a peer can send a short BNEP Service Discovery Unit SDU. The function bnep rx frame reads the packet type byte and, for control...

CVE-2026-53072 Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix locking in hciconnrequestevt with HCIPROTODEFER When protocol sets HCIPROTODEFER, hciconnrequestevt calls hciconnectcfmconn without hdev-lock. Generally hciconnectcfm assumes it is held, and if conn is deleted...

CVE-2026-53072 Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix locking in hciconnrequestevt with HCIPROTODEFER When protocol sets HCIPROTODEFER, hciconnrequestevt calls hciconnectcfmconn without hdev-lock. Generally hciconnectcfm assumes it is held, and if conn is deleted...

kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()

A use-after-free flaw was found in the Linux kernel's iSCSI target subsystem. In the iscsitdecconnusagecount function, complete is called while still holding the conn-connusagelock spinlock. The waiting thread such as iscsitcloseconnection may wake up immediately and free the iscsitconn structure...

CVE-2026-42526

In the AWS Secrets Manager and SSM Parameter Store secrets backends of apache-airflow-providers-amazon prior to 9.28.0, the team-scoping logic could resolve a connid containing a / e.g. "myteam/conn" to the same path as another team's team-scoped secret when the caller had no team context. A...

kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()

A use-after-free flaw was found in the Linux kernel's iSCSI target subsystem. In the iscsitdecconnusagecount function, complete is called while still holding the conn-connusagelock spinlock. The waiting thread such as iscsitcloseconnection may wake up immediately and free the iscsitconn structure...

CVE-2026-8468

Allocation of Resources Without Limits or Throttling vulnerability in plugproject plug allows denial of service via unbounded buffer accumulation in multipart header parsing. 'Elixir.Plug.Conn':readpartheaders/2 in lib/plug/conn.ex does not obey its :length parameter. There is no upper bound on t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/via: Avoid potential array out-of-bound access in addsecretdacpath The sndhdagetconnections function may return a negative error code. This could lead to accessing the ‘conn’ array at a negative index. This issue was...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: ISO: Fixed issues related to locking and validity checks for isoconn. sk-skstate indicates whether isopisk-conn is valid. Operations that check or update skstate and access conn should hold locksock; otherwise, they...