CVE-2026-68099 ksmbd: restore DACL size on check_add_overflow() to avoid malformed ACL

In the Linux kernel, the following vulnerability has been resolved: ksmbd: restore DACL size on checkaddoverflow to avoid malformed ACL checkaddoverflow unconditionally writes the truncated sum into d even on overflow, per its contract in include/linux/overflow.h. The four checkaddoverflow guards...

CVE-2026-68083 ksmbd: fix path resolution in ksmbd_vfs_kern_path_create

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix path resolution in ksmbdvfskernpathcreate The SMB2 open lookup is rooted at the share with LOOKUPBENEATH, but the create/mkdir/hardlink sink is not: ksmbdvfskernpathcreate builds an absolute path with converttounixname...

kernel: smb: client: fix OOB reads parsing symlink error response

A flaw was found in the Linux kernel's Server Message Block SMB client. A remote, untrusted server could send a specially crafted symlink error response, leading to an out-of-bounds read vulnerability. This could result in the disclosure of sensitive information from the kernel's memory to a loca...

Astra Linux – Vulnerability in Linux 6.12

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

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Validates the owner of the durable handle upon reconnection. Currently, ksmbd does not verify whether the user attempting to reconnect to a durable handle is the same user who originally opened the file. This allows any...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

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

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: Server: Fixed a leak of activenumconn in ksmbdtcpnewconnection. When ksmbdtcpnewconnection fails due to a kthreadrun failure, the transport is freed using freetransport, which does not decrement activenumconn, resulting in a...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a reference count leak when an invalid session is found during session lookup. When a session is found, but its state is not SMB2SESSIONVALID, it indicates that no valid session was found. However, the reference coun...

The vulnerability of the maybe_fork_scalars() function in the fs/smb/server/smb2pdu.c module of the Smb subsystem in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the maybeforkscalars function in the fs/smb/server/smb2pdu.c module of the Smb subsystem in the Linux operating system is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability could allow a remote attacker to compromise t...

Linux Distros Unpatched Vulnerability : CVE-2026-68083

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: fix path resolution in ksmbdvfskernpathcreate The SMB2 open lookup is rooted at the share with LOOKUPBENEATH, but the create/mkdir/hardlink sink is not:...

The vulnerability of the smb2_calc_max_out_buf_len() function in the fs/smb/server/smb2pdu.c module of the Smb file system in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the smb2calcmaxoutbuflen function in the fs/smb/server/smb2pdu.c module of the Smb file system in the Linux operating system is related to incorrect calculation of buffer size during packet processing. Exploiting this vulnerability can allow an attacker to compromise the...

The vulnerabilities of the functions set_posix_acl_entries_dacl() and set_ntacl_dacl() in the fs/smb/server/smbacl.c module support SMB server functionality in Linux operating systems. These vulnerabilities allow attackers to cause service failures.

The vulnerabilities of the functions setposixaclentriesdacl and setntacldacl in the fs/smb/server/smbacl.c module are related to integer overflows. Exploiting these vulnerabilities could allow an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2026-68130

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: defer destroyprevioussession until after NTLM authentication In ntlmauthenticate, destroyprevioussession is called using a user pointer resolved from the...

EulerOS 2.0 SP11 : curl (EulerOS-SA-2026-3063)

According to the versions of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : When asked to both use a .netrc file for credentials and to follow HTTP redirects, libcurl could leak the password used for the first host to the...

EulerOS 2.0 SP11 : curl (EulerOS-SA-2026-3118)

According to the versions of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : When asked to both use a .netrc file for credentials and to follow HTTP redirects, libcurl could leak the password used for the first host to the...

EUVD-2026-54437

Tobit Laboratories AG TeamDavid's Webbox 's sending email, fax, SMS, etc. functionality accepts a @@INCLUDE command, which can be set to network locations using UNC paths e.g., “\Server\Share”. The server processes these paths without validation, resulting in outbound connection attempts to...

EUVD-2026-54436

Tobit Laboratories AG TeamDavid's Webbox 's search functionality accepts a “pathnameroot” parameter, which can be set to network locations using UNC paths e.g., “\Server\Share”. The server processes these paths without validation, resulting in outbound connection attempts to attacker-controlled...

CVE-2026-54204

CVE-2026-54204 affects Tobit Laboratories AG TeamDavid’s Webbox. The search function accepts a pathnameroot parameter that can be set to UNC network locations; the server processes these values without validation, causing outbound connections to attacker-controlled SMB endpoints. This enables una...

SUSE CVE-2026-64598

In the Linux kernel, the following vulnerability has been resolved: smb/client: Fix error code in smb2aeadreqalloc The "numsgs" variable is a u32 so "ERRPTRnumsgs" doesn't work. We would have to do something similar to the previous line where it's cast to int and then long. However, it's simpler ...

CVE-2026-64598

In the Linux kernel, the following vulnerability has been resolved: smb/client: Fix error code in smb2aeadreqalloc The "numsgs" variable is a u32 so "ERRPTRnumsgs" doesn't work. We would have to do something similar to the previous line where it's cast to int and then long. However, it's simpler ...