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Status published
Unknown
CVE-2024-26977
pci_iounmap(): Fix MMIO mapping leak
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6
- https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8
- https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f
- https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77
- https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed
- https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
316e8d79a0959c302b0c462ab64b069599f10eef, 5.15, 0, 5.15.154, 6.1.84, 6.6.24, 6.7.12, 6.8.3, 6.9
Timeline
Official Publish:
May 1st, 2024
Last Modified:
May 11th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.