EUVD-2026-86862

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid using uninitialized SIDs in cifsposixtofattr cifsposixtofattr ignores the return value of posixinfoparse. When a malformed POSIX directory entry is encountered e.g. invalid SID lengths from an untrusted server,...

CVE-2026-97554

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid using uninitialized SIDs in cifsposixtofattr cifsposixtofattr ignores the return value of posixinfoparse. When a malformed POSIX directory entry is encountered e.g. invalid SID lengths from an untrusted server,...

CVE-2026-97554

A vulnerability exists in the Linux kernel SMB client within the cifs_posix_to_fattr() function. The issue stems from the function ignoring the return value of posix_info_parse() . When processing a malformed POSIX directory entry from an untrusted server (such as one with invalid SID lengths), t...