CVE-2024-26977

pci_iounmap(): Fix MMIO mapping leak

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.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.06%

Affected: Linux Linux

References

Link	Tags
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

Frequently Asked Questions

What is the severity of CVE-2024-26977?: CVE-2024-26977 has been scored as a medium severity vulnerability.
How to fix CVE-2024-26977?: To fix CVE-2024-26977, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-26977 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-26977 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-26977?: CVE-2024-26977 affects Linux Linux, Linux Linux.

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