CVE-2026-80926 ksmbd: fix use-after-free in oplock break notification

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2oplockbreaknoti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected,...

CVE-2026-80926 ksmbd: fix use-after-free in oplock break notification

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2oplockbreaknoti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected,...

CVE-2026-80926

CVE-2026-80926 is a use-after-free in the Linux kernel's ksmbd (in-kernel SMB server) module, in the smb2_oplock_break_noti() function. The function reads opinfo->conn without holding a lock and dereferences it after two allocations that may sleep. When the durable handle owning the oplock is ...

EUVD-2026-76248

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2oplockbreaknoti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected,...

CVE-2026-80926

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2oplockbreaknoti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected,...

CVE-2026-89635: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ksmbd: only rebind the reopened file's own oplock on durable reconnect ksmbdreopendurablefd walks the inode's moplist and rebinds every detached oplock to the reconnecting session: listforeachentryrcuop, &ci-moplist, opentry,...

PT-2026-90351

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ksmbd module where the ksmbd reopen durable fd function incorrectly rebinds all detached oplocks on an inode to a reconnecting session instead of only the oplock...

Apache ActiveMQ < 5.19.11 / 6.x < 6.3.2 clientId Spoofing

The version of Apache ActiveMQ running on the remote host is prior to 5.19.11 or 6.x prior to 6.3.2. It is, therefore, affected by a spoofing vulnerability: - Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An...

artemis-server: undertow-core: wildfly-messaging-activemq-subsystem: artemis core protocol permits unauthed queue creation

Artemis CORE protocol channel allows unauthed queue creation. an unauthenticated attacker can send CREATEQUEUE packets on channel 1 via the :8080 HTTP-upgrade path to create arbitrary durable JMS queues on the embedded broker. This can be used for resource exhaustion and persistent broker-state...

artemis-openwire-protocol: AMQ Broker Artemis: pre-authentication arbitrary durable queue deletion via OpenWire RemoveSubscriptionInfo

An unauthenticated network attacker can delete arbitrary durable queues on any Apache Artemis broker with OpenWire protocol enabled default. The processRemoveSubscription method executes pre-authentication with no authorization check, and uses the internal destroyQueueSimpleString overload that...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the CORE protocol handler. An attacker can manipulate broker state and create arbitrary durable queues by sending unauthenticated requests. Remediation Upgrade...

Missing Authentication for Critical Function

Overview org.apache.activemq:artemis-server is a server package for the ActiveMQ-Artemis project. Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the CORE protocol handler. An attacker can manipulate broker state and create arbitrary durable...

CVE-2026-49362

An unauthenticated remote attacker can create arbitrary durable queues via the CORE protocol, leading to unauthorized broker state manipulation and potential denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users...

CVE-2026-49362

An unauthenticated remote attacker can create arbitrary durable queues via the CORE protocol, leading to unauthorized broker state manipulation and potential denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users...

EUVD-2026-75250

An unauthenticated remote attacker can create arbitrary durable queues via the CORE protocol, leading to unauthorized broker state manipulation and potential denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users...

PT-2026-89275

Name of the Vulnerable Software and Affected Versions Apache Artemis versions 2.50.0 through 2.56.0 Apache ActiveMQ Artemis versions 1.0.0 through 2.44.0 Description An unauthenticated remote attacker can create arbitrary durable queues using the CORE protocol. This allows for unauthorized...

Linux Distros Unpatched Vulnerability : CVE-2026-74761

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof...

Authorization Bypass Through User-Controlled Key

Overview org.apache.activemq:activemq-broker is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key through TopicRegion.removeSubscription in...

Authorization Bypass Through User-Controlled Key

Overview org.apache.activemq:activemq-all is a package that puts together an ActiveMQ jar bundle. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key through TopicRegion.removeSubscription in...

Authorization Bypass Through User-Controlled Key

Overview org.apache.activemq:apache-activemq is a Message Broker and Client implementations. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key through TopicRegion.removeSubscription in...