Linux Distros Unpatched Vulnerability : CVE-2026-45876

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - arm64/gcs: Fix error handling in archsetshadowstackstatus allocgcs returns an error-encoded pointer on failure, which comes from dommap, not NULL. The current...

CVE-2026-45876: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: arm64/gcs: Fix error handling in archsetshadowstackstatus allocgcs returns an error-encoded pointer on failure, which comes from dommap, not NULL. The current NULL check fails to detect errors, which could lead to using an invali...

CVE-2026-23345

The CVE-2026-23345 issue affects the Linux kernel on ARM64 with Graphics Control System (GCS) mappings when FEAT_LPA2 is enabled. The root cause is incorrect handling of PTE_SHARED bits in GCS memory mappings, which can trigger a kernel panic (DoS) due to a bad page table translation. The recomme...