{"id":"CVE-2022-49653","summary":"i2c: piix4: Fix a memory leak in the EFCH MMIO support","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: piix4: Fix a memory leak in the EFCH MMIO support\n\nThe recently added support for EFCH MMIO regions introduced a memory\nleak in that code path. The leak is caused by the fact that\nrelease_resource() merely removes the resource from the tree but does\nnot free its memory. We need to call release_mem_region() instead,\nwhich does free the memory. As a nice side effect, this brings back\nsome symmetry between the legacy and MMIO paths.","modified":"2026-04-02T08:27:48.544983Z","published":"2025-02-26T02:23:54.484Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1241-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49653.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/8ad59b397f86a4d8014966fdc0552095a0c4fb2b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a3263e4cf8265f0c9eb0ed8a9b50f132c7a42e19"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d2bf1a6480e8d44658a8ac3bdcec081238873212"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49653.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49653"},{"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":"4b965566ca26e83553d92b8c57050e5d59911806"},{"fixed":"d2bf1a6480e8d44658a8ac3bdcec081238873212"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7c148722d074c29fb998578eea5de3c14b9608c9"},{"fixed":"a3263e4cf8265f0c9eb0ed8a9b50f132c7a42e19"},{"fixed":"8ad59b397f86a4d8014966fdc0552095a0c4fb2b"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"f48190bca4b1a397f2e050efea2c8e8e72049ec8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49653.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"}]}