USN-8059-6: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; CVE-2025-22037, CVE-2025-37899...

CVE-2026-27884

NetExec is a network execution tool. Prior to version 1.5.1, the module spiderplus improperly creates the output file and folder path when saving files from SMB shares. It does not take into account that it is possible for Linux SMB shares to have path traversal characters such as ../ in them. An...

EUVD-2026-8790

NetExec is a network execution tool. Prior to version 1.5.1, the module spiderplus improperly creates the output file and folder path when saving files from SMB shares. It does not take into account that it is possible for Linux SMB shares to have path traversal characters such as ../ in them. An...

kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired by the related server fixes...

USN-8059-5 linux-fips, linux-gcp-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; CVE-2025-22037, CVE-2025-37899...

USN-8059-3: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; CVE-2025-22037, CVE-2025-37899...

USN-8059-3 linux-gcp, linux-gcp-6.8, linux-gke, linux-oracle-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; CVE-2025-22037, CVE-2025-37899...

kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired by the related server fixes...

USN-8059-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; CVE-2025-22037, CVE-2025-37899...

📄 Microsoft Event Log Remote Protocol Arbitrary File Write

This Python script demonstrates the abuse of the Microsoft Event Log Remote Protocol MS-EVEN to achieve an arbitrary file write over SMB using low-privileged credentials. By interacting with the Windows \pipe\eventlog named pipe through DCERPC, the script leverages the ElfrOpenBELW and...

CVE-2026-23220

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix infinite loop caused by nextsmb2rcvhdroff reset in error paths The problem occurs when a signed request fails smb2 signature verification check. In processrequest, if checksignreq returns an error, setsmb2rspstatuswork...

kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired by the related server fixes...

SUSE CVE-2026-23205

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix memory leak in smb2openfile Reproducer: 1. server: directories are exported read-only 2. client: mount -t cifs //$serverip/export /mnt 3. client: dd if=/dev/zero of=/mnt/file bs=512 count=1000 oflag=direct 4...

CVE-2026-23205

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix memory leak in smb2openfile Reproducer: 1. server: directories are exported read-only 2. client: mount -t cifs //$serverip/export /mnt 3. client: dd if=/dev/zero of=/mnt/file bs=512 count=1000 oflag=direct 4...

CVE-2025-71223

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in smb2open When ksmbdvfsgetattr fails, the reference count of ksmbdfile must be released...

CVE-2026-23205

The CVE-2026-23205 entry describes a memory leak in the Linux kernel SMB/CIFS client (smb2_open_file()). The provided reproducer shows a scenario with a read-only CIFS export, client mount, and module removal that triggers a leak during cleanup of SMB request buffers, leading to a kmem_cache leak...

CVE-2026-23205

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix memory leak in smb2openfile Reproducer: 1. server: directories are exported read-only 2. client: mount -t cifs //$serverip/export /mnt 3. client: dd if=/dev/zero of=/mnt/file bs=512 count=1000 oflag=direct 4...

CVE-2025-71223

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in smb2open When ksmbdvfsgetattr fails, the reference count of ksmbdfile must be released...

CVE-2025-71220

In the Linux kernel, the following vulnerability has been resolved: smb/server: call ksmbdsessionrpcclose on error path in createsmb2pipe When ksmbdiovpinrsp fails, we should call ksmbdsessionrpcclose...

CVE-2025-71204

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in parsedurablehandlecontext When the command is a replay operation and -ENOEXEC is returned, the refcount of ksmbdfile must be released...