CVE-2023-32253 Kernel: deadlock in ksmbd_find_crypto_ctx()

A flaw was found in the Linux kernel's ksmbd component. A deadlock is triggered by sending multiple concurrent session setup requests, possibly leading to a denial of service...

CVE-2023-32255

A flaw was found in the Linux kernel's ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion...

CVE-2023-32255: Missing Release of Resource after Effective Lifetime

A flaw was found in the Linux kernel's ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion...

CVE-2023-32251

A vulnerability has been identified in the Linux kernel's ksmbd component kernel SMB/CIFS server. A security control designed to prevent dictionary attacks, which introduces a 5-second delay during session setup, can be bypassed through the use of asynchronous requests. This bypass negates the...

DEBIAN-CVE-2025-38191

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in destroyprevioussession If client set -PreviousSessionId on kerberos session setup stage, NULL pointer dereference error will happen. Since sess-user is not set yet, It can pass the user...

CVE-2025-38191

Summary: The Linux kernel ksmbd component has a null-pointer dereference in destroy_previous_session during Kerberos session setup when PreviousSessionId is used. The root cause is that sess->user is not yet set, allowing a NULL user to be passed to destroy_previous_session. Fix: The patch def...

The vulnerability of the Cisco AnyConnect VPN server in the microprogramming software for Cisco Meraki MX and Cisco Meraki Z series network devices, known as Teleworker Gateway, allows a intruder to cause a service failure.

The vulnerability of the Cisco AnyConnect VPN server of the microsoftware for Cisco Meraki MX and Cisco Meraki Z series Teleworker Gateways is related to the use of an uninitialized variable during the establishment of an SSL VPN session. Exploiting this vulnerability can allow a malicious actor ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a null pointer dereference in allocpreauthhash. The client sends malformed SMB2 negotiate requests. ksmbd returns an error response. As a result, the client can still send SMB2 session setup requests even when...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the use-of-free issue in session logout. The sess-user object may currently be used by another thread. For example, if another connection sends a session setup request to make the session available for use. The...

DEBIAN-CVE-2025-37899

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in session logoff The sess-user object can currently be in use by another thread, for example if another connection has sent a session setup request to bind to the session being free'd. The handler for...

CVE-2025-37899

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in session logoff The sess-user object can currently be in use by another thread, for example if another connection has sent a session setup request to bind to the session being free'd. The handler for...

DEBIAN-CVE-2025-37778

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix dangling pointer in krbauthenticate krbauthenticate frees sess-user and does not set the pointer to NULL. It calls ksmbdkrb5authenticate to reinitialise sess-user but that function may return without doing so. If that...

UBUNTU-CVE-2025-37778

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix dangling pointer in krbauthenticate krbauthenticate frees sess-user and does not set the pointer to NULL. It calls ksmbdkrb5authenticate to reinitialise sess-user but that function may return without doing so. If that...

SUSE CVE-2025-22037

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in allocpreauthhash The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn-preauthinfo is not...

DEBIAN-CVE-2025-22037

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in allocpreauthhash The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn-preauthinfo is not...

UBUNTU-CVE-2025-22037

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in allocpreauthhash The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn-preauthinfo is not...

CVE-2025-22037 ksmbd: fix null pointer dereference in alloc_preauth_hash()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in allocpreauthhash The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn-preauthinfo is not...

CVE-2025-22037 ksmbd: fix null pointer dereference in alloc_preauth_hash()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in allocpreauthhash The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn-preauthinfo is not...

CVE-2025-21430

Transient DOS while connecting STA to AP and initiating ADD TS request from AP to establish TSpec session...

PT-2025-18459

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A dangling pointer issue in the krb authenticate function has been identified. The krb authenticate function frees sess-user but does not set the pointer to NULL. It then calls ksmbd krb...