CVE-2020-1301

CVE-2020-1301 POC exploit for SMBLost vulnerability CVE-2020-1301 Affected version Refer here: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1301 Steps to reproduce Make sure SMB/CIFF service feature is turned on target. SMB1 must be supported by target. Refer here:...

CVE-2026-84543

Proof of concept This proof of concept is expected to kernel-panic and reboot an affected Mac. The affected test builds used during research were macOS Tahoe 26.4 25E246 and macOS 26.5 beta 4 25F5068a. Apple fixed CVE-2026-84543 in macOS Golden Gate 27, Tahoe 26.7, and Sequoia 15.8. Included PoC...

CVE-2026-89633

CVE-2026-89633 — cifs SMB1 coalescet2 heap OOB write English | 简体中文 Research PoC/EXP for a heap out-of-bounds write in the Linux cifs.ko SMB1 client. A malicious SMB1 server controls DataOffset in a TRANS2 secondary response, and coalescet2 copies the 8-byte secondary payload to &primary-Protocol...

Etern-blue-Windows-7-Checker

Eternalblue SMB1 Windows7/10 checker Updated and now detects Windows 7 and as well as old version Windows 10 that supports SMB 1. I only implemented smb 1 and any smb 2 server you try this on will return a "not vulnerabile". I researched on how the structure of a SMB1 packet and how to constructe...

impostor

Impostor SMB1 server for intercepting NTLMv2 Hashes, written in C. The goal of the project is to implement an SMB1 server as a state machine that correctly accepts and responds to client requests in order to deceive it, leading it to complete an NTLM authentication and thus reveal its own NTLMv2...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-151286)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-151286 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: bound dirent name against end of SMB response in cifsfilldir cifsfilldir copies the...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: bound dirent name against end of SMB response in cifsfilldir cifsfilldir copies the entry name out of an SMB1 TRANS2FINDFIRST / FINDNEXT response using a length de.namelen supplied by the server. The kmalloc’d SMB...

Exploit for CVE-2026-89633

CVE-2026-89633 — cifs SMB1 coalescet2 heap OOB write Engli...

CLEANSTART-2024-VW99751 flaw was found in the way samba implemented SMB1 authentication

Security vulnerability affects the samba package. A flaw was found in the way samba implemented SMB1 authentication...

SUSE CVE-2026-99109

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject SetEA requests that do not fit the request buffer CIFSSMBSetEA copies the caller's extended attribute value into the SMB request buffer without checking that it fits. The requirement is stated in the source bu...

DEBIAN-CVE-2026-99109

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject SetEA requests that do not fit the request buffer CIFSSMBSetEA copies the caller's extended attribute value into the SMB request buffer without checking that it fits. The requirement is stated in the source bu...

CVE-2026-99109

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject SetEA requests that do not fit the request buffer CIFSSMBSetEA copies the caller's extended attribute value into the SMB request buffer without checking that it fits. The requirement is stated in the source bu...

UBUNTU-CVE-2026-99109

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject SetEA requests that do not fit the request buffer CIFSSMBSetEA copies the caller's extended attribute value into the SMB request buffer without checking that it fits. The requirement is stated in the source bu...

CVE-2026-99109 smb: client: reject SetEA requests that do not fit the request buffer

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject SetEA requests that do not fit the request buffer CIFSSMBSetEA copies the caller's extended attribute value into the SMB request buffer without checking that it fits. The requirement is stated in the source bu...

CVE-2026-99109

A flaw in the Linux kernel SMB client allows an unprivileged local user to trigger a Denial of Service (DoS) or potentially escalate privileges . The vulnerability exists because the CIFSSMBSetEA() function copies an extended attribute value into the SMB request buffer without verifying that the ...

CVE-2026-99109

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject SetEA requests that do not fit the request buffer CIFSSMBSetEA copies the caller's extended attribute value into the SMB request buffer without checking that it fits. The requirement is stated in the source bu...

PT-2026-128102

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the CIFSSMBSetEA function copies an extended attribute value into the SMB request buffer without verifying if it fits. This occurs because the che...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a slab-out-of-bounds issue in initsmb2rsphdr. When smb1 mounting fails, KASAN detects a slab-out-of-bounds issue in initsmb2rsphdr, as follows. For smb1’s negotiate56 bytes, initsmb2rsphdr is called for smb2. The iss...

SUSE CVE-2026-97565

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject short READ responses in CIFSSMBRead CIFSSMBRead reads DataLengthHigh, DataLength and DataOffset out of the READRSP returned by the server without first checking that a whole READRSP was actually received. The...

Rocky Linux 9 [CIQ] Security Update: ctdb / ctdb-debuginfo / libsmbclient / libsmbclient-debuginfo / etc (crlsa-2022_8317)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20228317 advisory. samba: server memory information leak via SMB1 CVE-2022-32742 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note th...