kernel: smb: client: mask server-provided mode to 07777 in modefromsid

A flaw was found in the Linux kernel's Server Message Block SMB client. When processing server-provided file mode information, the system incorrectly applies these modes without proper security masking. This can result in unintended file permissions, potentially allowing unauthorized access to...

kernel: smb: client: mask server-provided mode to 07777 in modefromsid

A flaw was found in the Linux kernel's Server Message Block SMB client. When processing server-provided file mode information, the system incorrectly applies these modes without proper security masking. This can result in unintended file permissions, potentially allowing unauthorized access to...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2026-128 (ALASKERNEL-5.4-2026-128)

The version of kernel installed on the remote host is prior to 5.4.302-224.477. It is, therefore, affected by a vulnerability as referenced in the ALAS2KERNEL-5.4-2026-128 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid CVE-2026-64379 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.4 Extra. Visit this page to learn more about...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100498)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100498 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active,...

SUSE CVE-2026-64379

In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parsedacl applies the server-provided subauth2 value from the NFS mode SID to cfmode without masking to 07777. Apply the correct masking,...

CVE-2026-64379

In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parsedacl applies the server-provided subauth2 value from the NFS mode SID to cfmode without masking to 07777. Apply the correct masking,...

PT-2026-64600

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the parse dacl function fails to mask the server-provided sub auth2 value from the NFS mode SID to 07777 when modefromsid is active. This value is...