Security Advisory

CVE-2026-45876

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-27 12:16:43

Last updated 2026-05-27 12:16:43

Assigner Linux

CVSS score not scored

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: arm64/gcs: Fix error handling in arch_set_shadow_stack_status() alloc_gcs() returns an error-encoded pointer on failure, which comes from do_mmap(), not NULL. The current NULL check fails to detect errors, which could lead to using an invalid GCS address. Use IS_ERR_VALUE() to properly detect errors, consistent with the check in gcs_alloc_thread_stack().

← Browse all CVEs View on cve.org ↗