CVE-2024-26977

MEDIUM

Linux Kernel 5.15.1-5.15.153, 5.16.0-6.1.83, 6.2.0-6.6.23, 6.7.0-6.7.11, 6.8.0-6.8.2 - Memory Leak via MMIO Mapping

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0023
EPSS Percentile 13.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (21)
linux/Kernel 5.15.0 - 5.15.154linux
linux/Kernel 5.16.0 - 6.1.84linux
linux/Kernel 6.2.0 - 6.6.24linux
linux/Kernel 6.7.0 - 6.7.12linux
linux/Kernel 6.8.0 - 6.8.3linux
Linux/Linux < 5.15
Linux/Linux 316e8d79a0959c302b0c462ab64b069599f10eef - 5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6
Linux/Linux 316e8d79a0959c302b0c462ab64b069599f10eef - 6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8
Linux/Linux 316e8d79a0959c302b0c462ab64b069599f10eef - 7626913652cc786c238e2dd7d8740b17d41b2637
Linux/Linux 316e8d79a0959c302b0c462ab64b069599f10eef - af280e137e273935f2e09f4d73169998298792ed
... and 11 more
Published May 01, 2024
Tracked Since Feb 18, 2026