CVE-2026-98831

A flaw was found in the Linux kernel's Device Tree overlay subsystem. This flaw allows a local user to cause a Denial of Service DoS through memory exhaustion. When an overlay changeset fails during target or symbol lookup, the kernel fails to release previously acquired fragment references durin...

CVE-2026-98855

A flaw was found in the Linux kernel's Device Tree overlay subsystem. When an error occurs while adding a property to a device tree overlay changeset, the allocated property is freed during error cleanup but remains tracked, leading to a second release double-free when the overlay node is torn...

CVE-2026-98854

A flaw was found in the Linux kernel's Device Tree overlay subsystem. When applying an overlay fails during identifier allocation, the error cleanup routine incorrectly treats negative error codes as valid identifiers. A local user could trigger this vulnerability during resource allocation...