Security Advisory

CVE-2024-26977

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-05-01 05:20:28

Last updated 2026-05-11 20:08:02

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: pci_iounmap(): Fix MMIO mapping leak The #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(), which means MMIO mappings are leaked. Move the guard so we call iounmap() for MMIO mappings.

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