CVE-2026-89768

A flaw was found in the Linux kernel's filesystem fs component. When using nested overlay filesystems overlayfs, a local user could exploit an issue where the backingfileopen function incorrectly derives the path for mapped files. This vulnerability leads to information disclosure, as files mappe...

DEBIAN-CVE-2026-89768

In the Linux kernel, the following vulnerability has been resolved: fs: fix user path of nested backing files backingfileopen derives the path to be stored in the new backing file from userfile-fpath. This is incorrect when userfile itself is a backing file, which is the case for nested stacking...

AZL-100442 CVE-2026-89768 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: fs: fix user path of nested backing files backingfileopen derives the path to be stored in the new backing file from userfile-fpath. This is incorrect when userfile itself is a backing file, which is the case for nested stacking...

CVE-2026-89768

In the Linux kernel, the following vulnerability has been resolved: fs: fix user path of nested backing files backingfileopen derives the path to be stored in the new backing file from userfile-fpath. This is incorrect when userfile itself is a backing file, which is the case for nested stacking...

UBUNTU-CVE-2026-89768

In the Linux kernel, the following vulnerability has been resolved: fs: fix user path of nested backing files backingfileopen derives the path to be stored in the new backing file from userfile-fpath. This is incorrect when userfile itself is a backing file, which is the case for nested stacking...

CVE-2026-89768 fs: fix user path of nested backing files

In the Linux kernel, the following vulnerability has been resolved: fs: fix user path of nested backing files backingfileopen derives the path to be stored in the new backing file from userfile-fpath. This is incorrect when userfile itself is a backing file, which is the case for nested stacking...

CVE-2026-89768 fs: fix user path of nested backing files

In the Linux kernel, the following vulnerability has been resolved: fs: fix user path of nested backing files backingfileopen derives the path to be stored in the new backing file from userfile-fpath. This is incorrect when userfile itself is a backing file, which is the case for nested stacking...

EUVD-2026-76680

In the Linux kernel, the following vulnerability has been resolved: fs: fix user path of nested backing files backingfileopen derives the path to be stored in the new backing file from userfile-fpath. This is incorrect when userfile itself is a backing file, which is the case for nested stacking...

PT-2026-90484

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the backing file open function where the path stored in a new backing file is incorrectly derived from user file-f path. In nested stacking filesystems, such as...