ROS-20260324-73-0002

A vulnerability in the generateencryptionkey function of the ksmbd component of the Linux kernel is related to the dereferencing of a NULL pointer. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

The vulnerability of the ksmbd_tree_conn_lookup() function in the fs/ksmbd/mgmt/tree_connect.c module of the SMB-server kernel subsystem of the Linux operating system allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ksmbdtreeconnlookup function in the fs/ksmbd/mgmt/treeconnect.c module of the SMB-server subsystem of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the...

ROS-20260317-73-0032

A vulnerability in the ksmbd component of the Linux operating system kernel is associated with uncontrolled resource consumption. Exploitation of the vulnerability allows an attacker to cause a denial of service...

ROS-20260313-73-0017

A vulnerability in the ksmbdiovpinrsp function of the ksmbd component of the Linux operating system kernel is related to the ability to use memory after it has been freed. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

LSN-0118-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in async decryption Doing an async decryption large read crashes with a slab-use-after-free way down in the crypto API. In the Linux kernel, the following vulnerability has been resolved: padata: avoid UAF fo...

ksmbd: fix infinite loop caused by next_smb2_rcv_hdr_off reset in error paths

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ROS-20260220-73-0022

A vulnerability in the ksmbdkrb5authenticate function of the ksmbd component of the Linux kernel is related to null pointer dereferencing. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

SUSE CVE-2026-23226

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add channlock to protect ksmbdchannlist xarray ksmbdchannlist xarray lacks synchronization, allowing use-after-free in multi-channel sessions between lookupchannlist and ksmbdchanndel. Adds rwsemaphore channlock to struct...

CVE-2026-23226

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add channlock to protect ksmbdchannlist xarray ksmbdchannlist xarray lacks synchronization, allowing use-after-free in multi-channel sessions between lookupchannlist and ksmbdchanndel. Adds rwsemaphore channlock to struct...

CVE-2026-23220

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix infinite loop caused by nextsmb2rcvhdroff reset in error paths The problem occurs when a signed request fails smb2 signature verification check. In processrequest, if checksignreq returns an error, setsmb2rspstatuswork...

UBUNTU-CVE-2026-23220

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix infinite loop caused by nextsmb2rcvhdroff reset in error paths The problem occurs when a signed request fails smb2 signature verification check. In processrequest, if checksignreq returns an error, setsmb2rspstatuswork...

UBUNTU-CVE-2026-23228

In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of activenumconn in ksmbdtcpnewconnection On kthreadrun failure in ksmbdtcpnewconnection, the transport is freed via freetransport, which does not decrement activenumconn, leaking this counter. Replace...

CVE-2026-23228

In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of activenumconn in ksmbdtcpnewconnection On kthreadrun failure in ksmbdtcpnewconnection, the transport is freed via freetransport, which does not decrement activenumconn, leaking this counter. Replace...

UBUNTU-CVE-2026-23226

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add channlock to protect ksmbdchannlist xarray ksmbdchannlist xarray lacks synchronization, allowing use-after-free in multi-channel sessions between lookupchannlist and ksmbdchanndel. Adds rwsemaphore channlock to struct...

CVE-2026-23228

In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of activenumconn in ksmbdtcpnewconnection On kthreadrun failure in ksmbdtcpnewconnection, the transport is freed via freetransport, which does not decrement activenumconn, leaking this counter. Replace...

CVE-2026-23228

The CVE-2026-23228 issue is in the Linux kernel smb server (ksmbd) where, on ksmbd_tcp_new_connection() failure, free_transport() did not decrement active_num_conn, leaking the counter. This occurs in the kthread_run() path during transport cleanup. The documented fix replaces free_transport() wi...

CVE-2026-23228 smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection()

In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of activenumconn in ksmbdtcpnewconnection On kthreadrun failure in ksmbdtcpnewconnection, the transport is freed via freetransport, which does not decrement activenumconn, leaking this counter. Replace...

CVE-2026-23226 ksmbd: add chann_lock to protect ksmbd_chann_list xarray

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add channlock to protect ksmbdchannlist xarray ksmbdchannlist xarray lacks synchronization, allowing use-after-free in multi-channel sessions between lookupchannlist and ksmbdchanndel. Adds rwsemaphore channlock to struct...

CVE-2026-23226

CVE-2026-23226 involves a kernel vulnerability in ksmbd where the ksmbd_chann_list xarray was lacking synchronization, allowing a use-after-free in multi-channel sessions between lookup_chann_list() and ksmbd_chann_del. The provided documents confirm the root cause and the fix: the patch adds a n...

CVE-2026-23226

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add channlock to protect ksmbdchannlist xarray ksmbdchannlist xarray lacks synchronization, allowing use-after-free in multi-channel sessions between lookupchannlist and ksmbdchanndel. Adds rwsemaphore channlock to struct...