kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions

A privilege escalation vulnerability was found in the Linux kernel's CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges...

kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions

A privilege escalation vulnerability was found in the Linux kernel's CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges...

kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions

A privilege escalation vulnerability was found in the Linux kernel's CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges...

kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions

A privilege escalation vulnerability was found in the Linux kernel's CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges...

The vulnerability of the smb3_reconfigure() function in the fs/smb/client/fs_context.c module, which is part of the SMB client support in Linux kernel, allows a hacker to cause a service failure.

The vulnerability of the smb3reconfigure function in the fs/smb/client/fscontext.c module, which is part of the SMB client support in Linux kernel, involves a memory leak. Exploiting this vulnerability could allow an attacker to cause a system failure...

The vulnerability of the get_file_all_info() function in the fs/smb/server/smb2pdu.c module allows a hacker to cause a service failure within the SMB server support of the Linux operating system.

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

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft

SMBGhost Scanner — CVE-2020-0796 SMBv3 vulnerability scanner...

CVE-2026-52996

A flaw was found in the ksmbd component of the Linux kernel. This vulnerability occurs when handling durable v2 open requests where a ClientGUID mismatch happens. An attacker can repeatedly send requests that trigger this mismatch, leading to a resource leak by preventing file descriptor referenc...

EUVD-2026-38835

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix possible infinite loop and oob read in symlinkdata On 32-bit architectures, the infinite loop is as follows: len = p-ErrorDataLength == 0xfffffff8 u8 next = p-ErrorContextData + len next == p On 32-bit...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: The split caching of bitfields in cachedfid was introduced to avoid race conditions involving shared-byte registers. The functions isopen, haslease, and onlist are stored in the same bitfield byte within the struc...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fixed potential UAF and double-free errors in smb2openfile Set @erriov and @errbuftype to zero before retrying SMB2open, to prevent UAF bugs if @data != NULL; otherwise, a double-free error will occur...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: A use-after-free issue was fixed in ksmbdsessionrpcopen. A UAF Use-After-Free issue may occur due to a race condition between ksmbdsessionrpcopen and sessionrpcclose. Adding rpclock to the session can help protect it fr...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions

A privilege escalation vulnerability was found in the Linux kernel's CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges...

Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1864)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1864 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 In the Linux kernel, the following vulnerability has...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-122 (ALASKERNEL-5.10-2026-122)

The version of kernel installed on the remote host is prior to 5.10.255-253.1013. It is, therefore, affected by a vulnerability as referenced in the ALAS2KERNEL-5.10-2026-122 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs CVE-2026-46323 Affected Packages: kernel6....