Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Added a WRITEDAC/WRITEOWNER check to the SMB2 SETINFO SECURITY routine. The commit cc57232cae23 "ksmbd: Fix FSCTL permission bypass by adding a permission check for FSCTLSETSPARSE" added a fp-daccess gate to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: A bug related to bypassing FSCTL permissions was fixed by adding a permission check for FSCTLSETSPARSE. When FSCTLSETSPARSE is called within fsctlsetsparse, it modifies the sparse attribute of a file and saves it using...

CVE-2026-52944: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix FSCTL permission bypass by adding a permission check for FSCTLSETSPARSE FSCTLSETSPARSE in fsctlsetsparse modifies the file's sparse attribute and saves it through xattr without any permission checks. This exposes two...