CVE-2026-45876

A flaw was found in the Linux kernel. Improper error handling in the archsetshadowstackstatus function, specifically related to allocgcs, could lead to the use of an invalid Global Context Structure GCS address. This issue may allow a local attacker to cause system instability or a denial of...

CVE-2026-45876

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-2026-45876

arm64/gcs: Fix error handling in archsetshadowstackstatus...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the use of NULL pointer checks in the archsetshadowstackstatus function within the arm64 GCS...