{"id":"CVE-2024-26977","summary":"pci_iounmap(): Fix MMIO mapping leak","details":"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.","modified":"2026-04-02T10:06:39.242150Z","published":"2024-05-01T05:20:28.830Z","related":["SUSE-SU-2024:2008-1","SUSE-SU-2024:2019-1","SUSE-SU-2024:2190-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26977.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637"},{"type":"WEB","url":"https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26977.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26977"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"316e8d79a0959c302b0c462ab64b069599f10eef"},{"fixed":"5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6"},{"fixed":"6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8"},{"fixed":"b5d40f02e7222da032c2042aebcf2a07de9b342f"},{"fixed":"f3749345a9b7295dd071d0ed589634cb46364f77"},{"fixed":"af280e137e273935f2e09f4d73169998298792ed"},{"fixed":"7626913652cc786c238e2dd7d8740b17d41b2637"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26977.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}