ksmbd: fix use-after-free in smb2_lock

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DEBIAN-CVE-2023-53061

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix possible refcount leak in smb2open Reference count of acls will leak when memory allocation fails. Fix this by adding the missing posixaclrelease...

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...

CVE-2025-37777

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2leasebreaknoti Move tcptransport free to ksmbdconnfree. If ksmbd connection is referenced when ksmbd server thread terminates, It will not be freed, but conn-tcptransport is freed...

Sonos Speakers S2 App < 16.6 RCE Vulnerability (SSA-2024-0002)

Sonos speakers are prone to a remote code execution RCE vulnerabilities. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:sonos:s2...

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...

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...

PT-2025-16677

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A null pointer dereference exists in the alloc preauth hash function within the ksmbd module. This occurs when a client sends a malformed SMB2 negotiate request, causing ksmbd to return ...

The vulnerability of the smb2_lock() function in the fs/smb/server/smb2pdu.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the smb2lock function in the fs/smb/server/smb2pdu.c module of the Linux operating system is related to improper locking of resources. Exploiting this vulnerability could allow an attacker to cause service failures...

PT-2025-18458

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue has been resolved in the Linux kernel, specifically in the ksmbd component. The problem occurs when the ksmbd connection is referenced after the ksmbd server threa...

K000150805: Multiple Wireshark/tshark vulnerabilities

Security Advisory Description CVE-2018-9274 In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, ui/failuremessage.c has a memory leak. CVE-2018-9273 In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-pcp.c has a memory leak. CVE-2018-9272 In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to...

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...

SUSE CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

DEBIAN-CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

UBUNTU-CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

UBUNTU-CVE-2025-21945

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2lock If smblock-zerolen has value, -llist of smblock is not delete and flock is old one. It will cause use-after-free on error handling routine...