CVE-2023-53399

CVE-2023-53399 affects the Linux kernel’s ksmbd component, specifically a NULL pointer dereference in smb2_get_info_filesystem(). The issue occurs when share is present but share->path is NULL, which can trigger a crash. The connected sources consistently describe the vulnerability as resolved...

CVE-2023-53399 ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL pointer dereference in smb2getinfofilesystem If share is , share-path is NULL and it cause NULL pointer dereference issue...

CVE-2023-53377 cifs: prevent use-after-free by freeing the cfile later

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent use-after-free by freeing the cfile later In smb2compoundop we have a possible use-after-free which can cause hard to debug problems later on. This was revealed during stress testing with KASAN enabled kernel. Fixin...

CVE-2023-53377

Technical details for CVE-2023-53377 are not publicly provided in the supplied Connected documents. The materials only show the vulnerability description without explicit affected products/versions or remediation specifics. Monitor for official disclosures.

DEBIAN-CVE-2023-53358

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREECONNEXPIRE flags for tcon to avoid cocurrent access...

UBUNTU-CVE-2023-53358

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREECONNEXPIRE flags for tcon to avoid cocurrent access...

Linux Distros Unpatched Vulnerability : CVE-2025-39819

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/smb: Fix inconsistent refcnt update A possible inconsistent update of refcount was identified in smb2compoundop. Such inconsistent update could lead to...

SUSE CVE-2025-39819

In the Linux kernel, the following vulnerability has been resolved: fs/smb: Fix inconsistent refcnt update A possible inconsistent update of refcount was identified in smb2compoundop. Such inconsistent update could lead to possible resource leaks. Why it is a possible bug: 1. In the comment secti...

CVE-2025-39819 fs/smb: Fix inconsistent refcnt update

In the Linux kernel, the following vulnerability has been resolved: fs/smb: Fix inconsistent refcnt update A possible inconsistent update of refcount was identified in smb2compoundop. Such inconsistent update could lead to possible resource leaks. Why it is a possible bug: 1. In the comment secti...

CVE-2025-39819 fs/smb: Fix inconsistent refcnt update

In the Linux kernel, the following vulnerability has been resolved: fs/smb: Fix inconsistent refcnt update A possible inconsistent update of refcount was identified in smb2compoundop. Such inconsistent update could lead to possible resource leaks. Why it is a possible bug: 1. In the comment secti...

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 an inconsistent reference count update in the smb2compoundop function, which could lead to a resource leak...

SUSE CVE-2023-4130

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix wrong next length validation of ea buffer in smb2setea There are multiple smb2eainfo buffers in FILEFULLEAINFORMATION request from client. ksmbd find next smb2eainfo using -NextEntryOffset of current smb2eainfo. ksmbd...

CVE-2023-4130

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix wrong next length validation of ea buffer in smb2setea There are multiple smb2eainfo buffers in FILEFULLEAINFORMATION request from client. ksmbd find next smb2eainfo using -NextEntryOffset of current smb2eainfo. ksmbd...

DEBIAN-CVE-2023-3866

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in the compound request This patch validate session id and tree id in compound request. If first operation in the compound is SMB2 ECHO request, ksmbd bypass session and tree validation. So...

DEBIAN-CVE-2023-3865

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bound read in smb2write ksmbdsmb2checkmessage doesn't validate hdr-NextCommand. If -NextCommand is bigger than Offset + Length of smb2 write, It will allow oversized smb2 write length. It will cause OOB read in...

CVE-2023-3867 ksmbd: fix out of bounds read in smb2_sess_setup

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds read in smb2sesssetup ksmbd does not consider the case of that smb2 session setup is in compound request. If this is the second payload of the compound, OOB read issue occurs while processing the first...

Linux Distros Unpatched Vulnerability : CVE-2025-37778

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix dangling pointer in krbauthenticate krbauthenticate frees sess-user and does not...

Linux Distros Unpatched Vulnerability : CVE-2023-3865

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bound read in smb2write ksmbdsmb2checkmessage doesn't validate...

Linux Distros Unpatched Vulnerability : CVE-2022-47940

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in...

Linux Distros Unpatched Vulnerability : CVE-2025-21944

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 cau...