Microsoft Windows: CVE-2026-88127: Windows SMB Server Elevation of Privilege Vulnerability

Use after free in Windows SMB Server allows an authorized attacker to elevate privileges locally...

Microsoft Windows: CVE-2026-96325: Windows SMB Server Denial of Service Vulnerability

Missing reference to active allocated resource in Windows SMB Server allows an unauthorized attacker to deny service over a network...

CVE-2026-88127: Use After Free

Use after free in Windows SMB Server allows an authorized attacker to elevate privileges locally...

CVE-2020-0796

CVE-2020-0796 Windows SMBv3 LPE Exploit Authors Daniel García Gutiérrez @danigargu Manuel Blanco Parajón @dialluvioso References https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796 https://www.synacktiv.com/posts/exploit/im-smbghost-daba-dee-daba-da.html...

Linux same_client_has_lease() Function Use-After-Free

The vulnerability of the sameclienthaslease function in the fs/smb/server/oplock.c component of the Linux operating system is related to the improper implementation of thread management. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibili...

ROS-20261008-73-0028

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...

ROS-20261006-73-0202

The vulnerability of the smb/server/smb2pdu.c component in the Linux operating system is related to the failure to release resources after their useful lifespan has ended. Exploiting this vulnerability can allow an attacker to cause service failures...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: smb/server: fixed a potential null-ptr-deref of leasectxinfo in smb2open A null-ptr-deref will occur when reqoplevel == SMB2OPLOCKLEVELLEASE and parseleasestate returns NULL. This issue was fixed by checking whether...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: server: splitting ksmbdrdmastoplistening from ksmbdrdmaDestroy We cannot call destroyworkqueuesmbdirectwq; before stopsessions! Otherwise, existing connections will attempt to use smbdirectwq as a NULL pointer...

ROS-20260930-73-0121

The vulnerability in the fs/smb/server/transporttcp.c component of the Linux operating system is related to improper memory release before deleting the last reference. Exploiting this vulnerability can allow an attacker to cause a service failure...

ROS-20260930-73-0002

The vulnerability of the ksmbdsessionlookupall function in the fs/smb/server/mgmt/usersession.c module of the SMB server kernel in Linux operating systems is related to errors during link counters updates. Exploiting this vulnerability can allow an attacker to cause a service failure...

ROS-20260930-73-0119

The vulnerability in the fs/smb/server/server.c component of the Linux operating system is related to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability can allow an attacker to cause a service failure...

ROS-20260929-73-0130

The vulnerability of the checklockrange function in the fs/smb/server/vfs.c module of the Linux operating system, where resources are blocked incorrectly. Exploiting this vulnerability could allow a attacker to cause service failures...

ROS-20260929-73-0143

The vulnerability of the smb2setea function in the fs/smb/server/smb2pdu.c module of the SMB server software in Linux operating systems is related to the copying of buffers without checking the size of the input data a classic buffer overflow attack. Exploiting this vulnerability can allow an...

ROS-20260929-73-0076

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

ROS-20260929-73-0097

The vulnerability of the smb2getksmbdtcon function in the fs/smb/server/smb2pdu.c module of the Smb file system in the Linux operating system is related to the reallocation of previously released memory. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality...

ROS-20260929-73-0018

The vulnerability of the ksmbdkthreadfn function in the fs/smb/server/transporttcp.c module of the SMB server support module in the Linux operating system involves the disclosure of confidential information. Exploiting this vulnerability could allow an attacker, acting remotely, to gain...

CVE-2026-93811

A flaw was found in the Linux kernel's ksmbd Server Message Block SMB server. When processing access control list ACL data, error-handling routines fail to release memory buffers if decoding fails or if an invalid security descriptor size is encountered. A remote attacker could exploit this...

ROS-20260928-73-0082

The vulnerability of the smb2sesssetup function in the fs/smb/server/smb2pdu.c module of the SMB server implementation in Linux operating systems is related to errors during link counters updates. Exploiting this vulnerability could allow an attacker to cause a service failure...

ROS-20260928-73-0083

The vulnerability of the smb2read function in the fs/smb/server/smb2pdu.c module of the SMB server module in the Linux operating system is related to improper memory release memory leak. Exploiting this vulnerability can allow an attacker to cause a service failure...