CVE-2025-37962 ksmbd: fix memory leak in parse_lease_state()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leak in parseleasestate The previous patch that added bounds check for create lease context introduced a memory leak. When the bounds check fails, the function returns NULL without freeing the previously allocat...

CVE-2025-37956

CVE-2025-37956 affects the Linux kernel ksmbd server. A client can send an empty newname string when renaming a file or directory, which previously triggered a kernel oops in d_alloc. A patch has been applied to return an error when attempting to rename with an empty new name string, preventing t...

CVE-2025-37956 ksmbd: prevent rename with empty string

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent rename with empty string Client can send empty newname string to ksmbd server. It will cause a kernel oops from dalloc. This patch return the error when attempting to rename a file or directory with an empty new na...

CVE-2025-37956 ksmbd: prevent rename with empty string

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent rename with empty string Client can send empty newname string to ksmbd server. It will cause a kernel oops from dalloc. This patch return the error when attempting to rename a file or directory with an empty new na...

CVE-2025-37952 ksmbd: Fix UAF in __close_file_table_ids

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix UAF in closefiletableids A use-after-free is possible if one thread destroys the file via ksmbdclosefd while another thread holds a reference to it. The existing checks on fp-refcount are not sufficient to prevent this...

CVE-2025-37952 ksmbd: Fix UAF in __close_file_table_ids

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix UAF in closefiletableids A use-after-free is possible if one thread destroys the file via ksmbdclosefd while another thread holds a reference to it. The existing checks on fp-refcount are not sufficient to prevent this...

CVE-2025-37952

CVE-2025-37952 describes a use-after-free in ksmbd within the Linux kernel. A thread destroying a file via __ksmbd_close_fd can race with another thread holding a reference to the same file, because the existing fp->refcount checks do not prevent the issue. The fix adds ft->lock around the ...

CVE-2025-37947 ksmbd: prevent out-of-bounds stream writes by validating *pos

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent out-of-bounds stream writes by validating pos ksmbdvfsstreamwrite did not validate whether the write offset pos was within the bounds of the existing stream data length vlen. If pos was greater than or equal to vle...

CVE-2025-37926 ksmbd: fix use-after-free in ksmbd_session_rpc_open

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdsessionrpcopen A UAF issue can occur due to a race condition between ksmbdsessionrpcopen and sessionrpcclose. Add rpclock to the session to protect it...

CVE-2025-37926 ksmbd: fix use-after-free in ksmbd_session_rpc_open

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdsessionrpcopen A UAF issue can occur due to a race condition between ksmbdsessionrpcopen and sessionrpcclose. Add rpclock to the session to protect it...

CVE-2025-37924 ksmbd: fix use-after-free in kerberos authentication

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in kerberos authentication Setting sess-user = NULL was introduced to fix the dangling pointer created by ksmbdfreeuser. However, it is possible another thread could be operating on the session and make...

CVE-2025-37924

CVE-2025-37924 : Linux kernel ksmbd use-after-free in Kerberos authentication. A race could occur where a thread uses sess->user after it has been freed by ksmbd_free_user, prior to sess->user being set to NULL. The issue is fixed by setting sess->user = NULL to avoid dangling pointer. M...

CVE-2025-37899 ksmbd: fix use-after-free in session logoff

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

The CVE-2025-37899 issue affects the Linux kernel’s ksmbd session logoff path, where sess->user can still be in use by another thread, enabling a use-after-free in smb2_sess_setup handling. The vulnerability is rated with CVSSv3.1: Local attack, Low privileges required, no user interaction, wi...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from ksmbdvfsstreamwrite unverified pos resulting in an out-of-bounds write...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a post-release reuse issue in ksmbdsessionrpcopen...

PT-2025-27636

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability has been resolved in the Linux kernel related to the ksmbd module. The issue involves the use of the list first entry macro, which never returns NULL but instead return...

SUSE CVE-2025-37802

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix WARNING "do not call blocking ops when !TASKRUNNING" waiteventtimeout will set the state of the current task to TASKUNINTERRUPTIBLE, before doing the condition check. This means that ksmbddurablescavengeralive will try...

UBUNTU-CVE-2025-37802

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix WARNING "do not call blocking ops when !TASKRUNNING" waiteventtimeout will set the state of the current task to TASKUNINTERRUPTIBLE, before doing the condition check. This means that ksmbddurablescavengeralive will try...

CVE-2025-37802 ksmbd: fix WARNING "do not call blocking ops when !TASK_RUNNING"

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix WARNING "do not call blocking ops when !TASKRUNNING" waiteventtimeout will set the state of the current task to TASKUNINTERRUPTIBLE, before doing the condition check. This means that ksmbddurablescavengeralive will try...