Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the omission of calling ksmbdsessionrpcclose in the incorrect path of the createsmb2pipe function...

Linux Distros Unpatched Vulnerability : CVE-2025-71223

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb/server: fix refcount leak in smb2open When ksmbdvfsgetattr fails, the reference count of ksmbdfile must be released. CVE-2025-71223 Note that Nessus relies ...

UBUNTU-CVE-2026-23093

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dmaunmapsg nents The dmaunmapsg functions should be called with the same nents as the dmamapsg, not the value the map function returned...

CVE-2026-23093

Summary (CVE-2026-23093) : In the Linux kernel, the ksmbd: smbd DMA unmapping path uses dma_unmap_sg() with a different number of entries than dma_map_sg(), which is the root cause of the vulnerability. The fix ensures dma_unmap_sg() is called with the same nents as dma_map_sg(). According to the...

CVE-2026-23093 ksmbd: smbd: fix dma_unmap_sg() nents

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dmaunmapsg nents The dmaunmapsg functions should be called with the same nents as the dmamapsg, not the value the map function returned...

Linux Distros Unpatched Vulnerability : CVE-2026-23093

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: smbd: fix dmaunmapsg nents The dmaunmapsg functions should be called with the same nents as the dmamapsg, not the value the map function returned...

SUSE CVE-2025-71150

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2SESSIONVALID, It indicates that no valid session was found, but it is missing to decrement the reference...

SUSE CVE-2025-71153

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix memory leak in getfileallinfo In getfileallinfo, if vfsgetattr fails, the function returns immediately without freeing the allocated filename, leading to a memory leak. Fix this by freeing the filename before returning...

CVE-2025-71153

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix memory leak in getfileallinfo In getfileallinfo, if vfsgetattr fails, the function returns immediately without freeing the allocated filename, leading to a memory leak. Fix this by freeing the filename before returning...

CVE-2025-71150

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2SESSIONVALID, It indicates that no valid session was found, but it is missing to decrement the reference...

UBUNTU-CVE-2025-71150

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2SESSIONVALID, It indicates that no valid session was found, but it is missing to decrement the reference...

CVE-2025-71153

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix memory leak in getfileallinfo In getfileallinfo, if vfsgetattr fails, the function returns immediately without freeing the allocated filename, leading to a memory leak. Fix this by freeing the filename before returning...

CVE-2025-71153 ksmbd: Fix memory leak in get_file_all_info()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix memory leak in getfileallinfo In getfileallinfo, if vfsgetattr fails, the function returns immediately without freeing the allocated filename, leading to a memory leak. Fix this by freeing the filename before returning...

CVE-2025-71153

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix memory leak in getfileallinfo In getfileallinfo, if vfsgetattr fails, the function returns immediately without freeing the allocated filename, leading to a memory leak. Fix this by freeing the filename before returning...

CVE-2025-71153

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix memory leak in getfileallinfo In getfileallinfo, if vfsgetattr fails, the function returns immediately without freeing the allocated filename, leading to a memory leak. Fix this by freeing the filename before returning...

CVE-2025-71150

The cited connected doc describes the same issue as CVE-2025-71150: in the Linux kernel’s ksmbd subsystem, a refcount leak occurs when a session is found but not SMB2_SESSION_VALID during session lookup. The fix explicitly releases the session reference by calling ksmbd_user_session_put, addressi...

CVE-2025-71150

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2SESSIONVALID, It indicates that no valid session was found, but it is missing to decrement the reference...

CVE-2025-71150

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2SESSIONVALID, It indicates that no valid session was found, but it is missing to decrement the reference...

CVE-2025-71150 ksmbd: Fix refcount leak when invalid session is found on session lookup

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2SESSIONVALID, It indicates that no valid session was found, but it is missing to decrement the reference...

Linux Distros Unpatched Vulnerability : CVE-2025-71153

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 memory leak in getfileallinfo In getfileallinfo, if vfsgetattr fails, the functio...