Important: cifs-utils security, bug fix, and enhancement update

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a...

Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-12505)

The version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-12505 advisory. - A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop...

USN-7593-1 linux-hwe-5.15 vulnerabilities

Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker could use this to connect a rougue device and possibly execute arbitrary code. CVE-2024-8805 It was discovered that the CIFS network file system...

USN-7585-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-gcp, linux-gcp-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. CVE-2025-2312 Several security issues were discovered in the Linux kernel. An...

cifs-utils 安全漏洞

cifs-utils is a toolkit from the individual developer Pavel Shilovsky. Provides utilities for managing CIFS network file system installations. A security vulnerability exists in cifs-utils that stems from the cifs.upcall program incorrectly invoking namespaces in a container environment, which...