CVE-2025-38179 smb: client: fix max_sge overflow in smb_extract_folioq_to_rdma()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix maxsge overflow in smbextractfolioqtordma This fixes the following problem: 749.901015 T8673 run fstests cifs/001 at 2025-06-17 09:40:30 750.346409 T9870...

The vulnerability of the `find_or_create_cached_dir()` function in the fs/smb/client/cached_dir.c module allows a hacker to cause a service failure in Linux-based operating systems with SMB kernel support.

The vulnerability of the findorcreatecacheddir function in the fs/smb/client/cacheddir.c module, which is part of the SMB client support in Linux kernel, relates to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

kernel: smb: client: fix UAF in decryption with multichannel

A use-after-free UAF vulnerability was found in the Linux kernel's SMB client functionality. A local attacker with permissions to connect to arbitrary SMB servers with precise timing could exploit this flaw to alter system memory, leading to denials of service, alteration of sensitive memory...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: btrfs: check folio mapping after unlock in relocateonefolio CVE-2024-56758 In the Linux kernel, the following vulnerability has been resolved: hrtimers: Force migrate away hrtimers queued after CPUHPAPHRTIMERSDYIN...

CVE-2025-38051

CVE-2025-38051 affects the Linux kernel CIFS client: a race in the readdir/concurrency path allows a use-after-free in cifs_fill_dirent when the rsp buffer is freed, leading to a reported KASAN-use-after-free. The vulnerability is tracked with a CVSSv3.1 vector of CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a post-release reuse issue in the readdir concurrency process in the smb client...

📄 Microsoft Windows 11 SMB Client Privilege Escalation / Remote Code Execution

This proof of concept demonstrates a complex attack chain exploiting improper access control in Windows SMB clients, leading to elevation of privilege through DNS record injection, NTLM relay attacks using impacket-ntlmrelayx, and coercion of a victim system including Windows 11 to authenticate t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: fixed UAF in async decryption Performing async decryption large read results in a crash due to a slabuseafterfree issue in the crypto API. Reproducing the issue: mount.cifs -o ...,seal,esize=1 //srv/share /mnt dd...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Fixed a UAF Use-After-Free issue in decryption with multichannel. After the commits f7025d861694 “smb: client: allocate crypto only for primary server” and b0abcd65ec54 “smb: client: fix UAF in async decryption”,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Avoid race conditions in opencacheddir when leases are broken. A previously valid cfid returned from findorcreatecacheddir might cause a race condition with a lease break. As a result, opencacheddir may not consid...

kernel: smb: client: fix UAF in decryption with multichannel

A use-after-free UAF vulnerability was found in the Linux kernel's SMB client functionality. A local attacker with permissions to connect to arbitrary SMB servers with precise timing could exploit this flaw to alter system memory, leading to denials of service, alteration of sensitive memory...

The vulnerability in the fs/smb/client/cached_dir.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability in the fs/smb/client/cacheddir.c module of the Linux operating system is related to errors during the update of the link counters. Exploiting this vulnerability can allow an attacker to cause a service failure...

Windows 11 SMB Client - Privilege Escalation & Remote Code Execution (RCE)

!/usr/bin/env python3 Exploit Title: Windows 11 SMB Client - Privilege Escalation & Remote Code Execution RCE Author: Mohammed Idrees Banyamer Instagram: @banyamersecurity GitHub: https://github.com/mbanyamer Date: 2025-06-13 Tested on: Windows 11 version 22H2, Windows Server 2022, Kali Linux...

The vulnerability of the mrxsmb.sys driver on Microsoft Windows SMB Client operating systems allows a hacker to elevate their privileges and execute arbitrary commands.

The vulnerability of the mrxsmb.sys driver for Microsoft Windows SMB Client operating systems is related to deficiencies in access control due to authentication relaying. Exploiting this vulnerability allows a malicious actor to enhance their privileges and execute arbitrary commands remotely...

CVE-2025-33073 Windows SMB Client Elevation of Privilege Vulnerability

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CVE-2025-33073

CVE-2025-33073 is a network-accessible elevation of privilege in the Windows SMB Client caused by improper access control in the SMB protocol stack. The initial description confirms privilege escalation with network access. Connected documents provide concrete exploit presence: PoCs and proof‑of‑...

CVE-2025-33073 Windows SMB Client Elevation of Privilege Vulnerability

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CVE-2025-32718

CVE-2025-32718 : Integer overflow or wraparound in Windows SMB enables a locally authenticated attacker to elevate privileges. Connected sources confirm impact as local privilege escalation on Windows SMB, with CVSS v3.1 base score 7.8 (HIGH) and local attack vector. Public references in NVD/NCSC...

CVE-2025-32718 Windows SMB Client Elevation of Privilege Vulnerability

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KLA84760 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to obtain sensitive information, bypass security restrictions, gain privileges, execute arbitrary code, cause denial of service, spoof user interface. Below is a complete list of...