{"cve":"CVE-2024-26977","nvd":{"published":"2024-05-01T06:15:14.860","modified":"2026-06-17T07:18:50.623","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npci_iounmap(): Fix MMIO mapping leak\n\nThe #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(),\nwhich means MMIO mappings are leaked.\n\nMove the guard so we call iounmap() for MMIO mappings.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6","https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8","https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637","https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed","https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:49:08.435428910+00:00"},"epss":{"cve":"CVE-2024-26977","score":0.00226,"percentile":0.13356,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}