Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: smb/client: fixed a memory leak in smb2openfile Reproducing steps: 1. Server: Directories are exported as read-only. 2. Client: mount -t cifs //$serverip/export /mnt. 3. Client: dd if=/dev/zero of=/mnt/file bs=512 count=1000...

CVE-2026-45972

A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability, within the smb2openfile function, could allow an attacker to cause memory corruption due to improper handling of memory during file open operations. This could lead to system instability or potentially...

CVE-2026-45972

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

CVE-2026-45972 smb: client: fix potential UAF and double free in smb2_open_file()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

CVE-2026-45972

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

CVE-2026-45972: Use After Free

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

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...

UBUNTU-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...

EUVD-2026-5840

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...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a memory leak in the smb2openfile function, potentially leading to memory exhaustion...

CVE-2026-23205: Missing Release of Memory after Effective Lifetime

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...

kernel: smb/client: fix memory leak in smb2_open_file()

A memory leak flaw was found in the Linux kernel's CIFS/SMB client. In the smb2openfile function, request buffers are not properly freed when performing direct I/O writes to a read-only SMB share. This causes slab cache objects to remain allocated, which can prevent the cifs module from unloading...