Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003103)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003103 advisory. fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink...

CVE-2016-6198

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service system crash via a rename system call, related to fs/namei.c and fs/open.c...

Design/Logic Flaw

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service system crash via a rename system call that...

CVE-2016-6198

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service system crash via a rename system call, related to fs/namei.c and fs/open.c...

CVE-2016-6197

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service system crash via a rename system call that...

CVE-2016-6198

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service system crash via a rename system call, related to fs/namei.c and fs/open.c...

CVE-2016-6198

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service system crash via a rename system call, related to fs/namei.c and fs/open.c...

CVE-2016-6198: Improper Access Control

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service system crash via a rename system call, related to fs/namei.c and fs/open.c...

CVE-2016-6197: Improper Input Validation

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service system crash via a rename system call that...