CVE-2026-46300
High · CVSS 7.8
added on 10/28/2026
Linux Kernel Missing Initialization of a Variable Vulnerability
Linux · Kernel · CWE-456
Linux Kernel contains a missing initialization of a variable vulnerability that could allow for unintended modification of page-cache-backed data via failure to preserve the shared-fragment marker during socket buffer coalescing, causing ESP input processing to decrypt shared fragments in place. This vulnerability can be chained with CVE-2026-109618 and CVE-2026-109619 to implant PHP webshells and run commands as root.